Search Results — 2000 specimen records retrieved (1356 records with coordinates)
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Results for search: County=CONTRA COSTA; Source=All;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC2042783  Acacia dealbata Barbara Ertter with John Little 1989-4-2 8102 Contra Costa Hillside Park in El Cerrito. Comment
  UC1050943  Acacia pycnantha N. Floy Bracelin 1942-8-16 2256 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SD45086  Acacia verticillata W. W. Jones 1927-6-2 Contra Costa Crockett Comment
  SD45087  Acacia verticillata W. W. Jones 1927-4-5 Contra Costa Crockett Comment
  UC12000  Acaena pinnatifida var. californica H. M. Hall 1901-3-16 1655 Contra Costa Point Richmond Region of San Francisco Bay, Point Richmond Comment
  UC1050843  Acanthus mollis var. latifolius N. Floy Bracelin 1942-6-14 2133 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC18109  Acer macrophyllum Harley P. Chandler 1901-4-5 941 Contra Costa Mt. Diablo Comment
  SEINET3195242 Image available Acer negundo var. californicum Annetta Carter 1937-4-4 1229 Contra Costa Creek bank, Moraga Valley, 2.5 miles north of Moraga 180 Comment
  CAS-BOT-BC334184  Acer negundo var. californicum John Thomas Howell 1925-11-7 1549 Contra Costa Between Pinehurst and Canyon Station, San Leandro Canyon Comment
  CAS-BOT-BC21714  Achillea millefolium Walter Knight; Joanne Dean 1978-8-14 3148 Contra Costa Browns Island Comment
  CAS-BOT-BC29884  Achyrachaena mollis Alice Eastwood 1921-4-18 10250 Contra Costa Antioch Comment
  CDA299  Achyrachaena mollis D. G. Kelch, A. G. Murdock 2005-5-6 5 .23 Contra Costa Carquinez Strait Region; Franklin Canyon. East of Christie Road. South of Route 4. Comment
  UC1084392  Achyrachaena mollis G. Thomas Robbins 1937-4-25 145 Contra Costa 2 mi e Alamo Comment
  UC1733837  Achyrachaena mollis Kay H. Beach 1941-4-30 1081 Contra Costa 5 mi W of Byron; Marsh Creek Road 30 Comment
  UCD84946  Achyrachaena mollis Chuck Hughes 2010-3-29 218 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  CAS-BOT-BC29888  Achyrachaena mollis Paul F. Covel 1938-4-18 s.n. Contra Costa Altamont Pass Comment
  UCD32385  Achyrachaena mollis Beecher Crampton 1950-4-22 529 Contra Costa above Sand Creek, on hills to north above Lone Tree Valley 106 Comment
  UCD104120  Acmispon glaber P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo Summit. Comment
  JEPS112352  Acmispon wrangelianus Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .061 Contra Costa Crockett - 5th St. Prairie, County: Contra Costa; 5th street Prairie, Crockett. Comment
  JEPS112393  Acmispon wrangelianus Dean G. Kelch and Andrew G. Murdock 2005-5-13 05 .253 Contra Costa Martinez - West: Ozol Rock and Scenic Drive. Comment
  UC691159  Adenostoma fasciculatum Mary L. Bowerman 1930-6-5 256 Contra Costa w. (North Rd.) 5.8 mi. from entrance Mt. Diablo Comment
  RSA453156  Adenostoma fasciculatum var. fasciculatum Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  CDA42502  Adiantum jordanii D. G. Kelch 2005-1-21 5 .006 Contra Costa Carquinez Strait; Crockett. Along railroad tracks in West Valona across from decommissioned sewage treatment plant. Comment
  JEPS100160  Adiantum jordanii A. Langston 2003-6-19 AL 52 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA585064  Adiantum jordanii C. Newberry 1994-4-30 7255 Contra Costa Mount Diablo State Park, trail from Mitchell Canyon parking to Donner Creek 900 Comment
  UC18188  Aesculus californica Ivar Tidestrom Jun 1895 Contra Costa Comment
  JEPS36319  Agoseris grandiflora var. grandiflora W. L. Jepson 1943-6-8 20846 Contra Costa midway of ridge Moraga Ridge Comment
  UCD84956  Agoseris grandiflora var. grandiflora Chuck Hughes 2010-5-21 228 Contra Costa About 0.8 mile northwest of Vasco Road. 335 Comment
  CAS-BOT-BC22973  Agoseris heterophylla Mary L. Bowerman 1933-5-8 2013 Contra Costa Mt. Diablo. Fossil Ridge near crest, north side by side road. Comment
  UC691793  Agoseris heterophylla var. heterophylla Mary L. Bowerman 1933-5-11 2093 a Contra Costa Rock City Ridge; Mt. Diablo Comment
  UC691795  Agoseris heterophylla var. heterophylla Mary L. Bowerman 1934-3-18 2482 Contra Costa west of, (in small open flat on the edge of Donner Canyon) Russelman Park; Donner Canyon 365 Comment
  UC585072  Agoseris hirsuta G. L. Stebbins Jr. 1936-5-16 1562 Contra Costa w Berkeley Country Club Comment
  JEPS36280  Agoseris retrorsa W. L. Jepson 1921-5-22 9208 Contra Costa summit Mt. Diablo Comment
  SEINET10789684  Agropyron inerme Thomas B. Croat 1966-6-18 Croat 1989 Contra Costa Frank's Tract, Bethel Island; 7 miles W of Oakley, lakeside & marsh habitats. Comment
  UCD92546  Agrostis Beecher Crampton 1959-9-3 5454 Contra Costa Cleared bed of Bear Creek, about 2 miles north of Orinda. Comment
  JEPS127233  Agrostis avenacea Lowell Ahart, Josephine Guardino 2016-4-19 20787 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  RSA721735  Agrostis avenacea Barbara Ertter 1994-5-7 12748 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Comment
  UCD146716  Agrostis avenacea G. F. Hrusa; D. Crowe 1998-5-8 14385 Contra Costa Sacramento-San Joaquin River Delta. In Dow Ecological Reserve on Dow Chemical property at Pittsburg. 5 Comment
  UC2028508  Agrostis avenacea Barbara Ertter with Tony Morosco 1998-9-18 16425 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, north quarry area [subsequently developed] Comment
  CDA29913  Agrostis pallens D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .335 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  UCD150904  Agrostis stolonifera James A. Neilson Jr. 1972-10-1 3513 Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  RSA0027413  Agrostis stolonifera Barbara Ertter, Richard K. Rabeler, Tony Morosco 1997-6-10 15670 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait. Comment
  SEINET5538014  Agrostis stolonifera J. Hamai 1985-1 s.n. Contra Costa Russell Reserve. Comment
  JEPS100029  Aira caryophyllea S. O'Neil 2003-5-1 SEO 23 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS97561  Aira caryophyllea R. D. Stone 1980-7-13 282 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Road) Comment
  POM164980  Allenrolfea occidentalis Jos Burtt Davy 1898-05 s.n. Contra Costa Byron Springs, Mt. Diablo region. Comment
  RSA367156  Allium attenuifolium H. de Forest 1930-4-6 s.n. Contra Costa Unspecified. Comment
  UC1133799  Allium falcifolium C. M. Belshaw 1936-5-8 2067 Contra Costa se slope of Mt. Diablo Mt. Diablo Quadrangle, Mt. Diablo Comment
  UC3071  Allium falcifolium W. H. Brewer 1862-5-7 1060 Contra Costa summit Monte Diablo; summit of Mt. Diablo Comment
  CAS-BOT-BC469114  Allium falcifolium Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  UC494231  Allium serra Anna E. Ehlers 1920-4-25 571 Contra Costa Mt. Diablo Comment
  UC64077  Allium serra H. M. Hall 1900-3-23 Contra Costa Lauterwasser Creek Comment
Read comments Jul 22 2008
  CAS-BOT-BC475532  Allium serra John Thomas Howell 1933-5-14 11284 Contra Costa Hills east of St. Mary's College Comment
  UCD138636  Allium serra Cliff Low 1978-5-19 20 Contra Costa Back Canyon Creek, east of Eagle Peak on Mount Diablo. 304 Comment
  UC692022  Allium unifolium Mary L. Bowerman 1932-5-6 1425 Contra Costa near road, Mitchell Canyon Mt. Diablo, Mitchell Canyon 243 Comment
  UC691595  Allophyllum gilioides subsp. gilioides Mary L. Bowerman 1935-4-26 2919 Contra Costa Meridian peak summit Mt. Diablo 1158 Comment
  CAS-BOT-BC170927  Alnus rhombifolia Mary L. Bowerman 1931-10-13 1058 Contra Costa Mount Diablo. Alamo Canyon 259 Comment
  CAS-BOT-BC170928  Alnus rhombifolia W. C. Blasdale 1896-2-29 s.n. Contra Costa Clayton Comment
  POM166519  Alnus rhombifolia W. C. Blasdale 1896-2-29 3690 Contra Costa Clayton. Comment
  CAS-BOT-BC170930  Alnus rhombifolia Walter Knight 1978-9-19 3265 Contra Costa Browns Island, Alder Point Comment
  RSA452847  Alnus rubra M. B. Dunkle 1931-7-18 2526 Contra Costa Strawberry Canyon, Berkeley. San Francisco Bay Region. Comment
  CDA20558  Alternanthera philoxeroides unknown 2005-6-23 s.n. Contra Costa San Francisco Bay Area; Garden weed in Danville, CA. 0 Comment
  UC2027977  Amaranthus albus Barbara Ertter with Mary Bowerman 1996-11-1 15397 Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot. Comment
  UC2028370  Amaranthus albus Barbara Ertter 1998-6-20 16247 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Briones-Mount Diablo Trail SW of Old Borges Ranch Comment
  CDA9491  Amaranthus blitoides D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .215 Contra Costa Byron Airport. Comment
  UC2027978  Amaranthus blitoides Barbara Ertter with Mary Bowerman 1996-11-1 15397 a Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot. Comment
  JEPS111588  Amaranthus retroflexus D. G. Kelch 2004-6-19 04 .286 Contra Costa Crockett - Edwards Canyon Edwards Creek staging area near barn. 24 Comment
  JEPS111728  Ambrosia chamissonis D. G. Kelch 2004-7-9 04 .312 Contra Costa Rodeo Shore 2 Comment
  UC24599  Amsinckia J. Burtt Davy 1895-4-7 919 Contra Costa Antioch Comment
  UC726360  Amsinckia A. A. Heller 1941-3-24 15906 Contra Costa Byron Springs Comment
  UCR197916  Amsinckia Beecher Crampton 1950-4-22 522 Contra Costa Above site of Judsonville, west of old Empire mine 183 Comment
  UCD32491  Amsinckia Beecher Crampton 1950-4-22 522 Contra Costa Contra Costa County, above site of Judsonville, west of old Empire mine. 152 Comment
  CDA9449  Amsinckia intermedia D. G. Kelch 1992-3-21 1821 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  JEPS25352  Amsinckia intermedia Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6962 Contra Costa 2.4 mi w of Byron (and 0.3 mi e of junction with Vasco Road, along Camino Diablo); Camino Diablo 60 Comment
  UC1084555  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-5-4 2274 Contra Costa 0.7 mi west of Inspiration Point (and road e to; and Orinda-Richmond Road); Tilden Park Comment
  UC1073066  Amsinckia intermedia Helen K. Sharsmith 1954-3-24 4410 Contra Costa e of Mount Diablo (Canyon slope back of Nortonville Mines); Inner South Coast Ranges 304 Comment
  JEPS75462  Amsinckia lunaris P. F. Yorks 1976-4-25 507 -2 Contra Costa n. Briones Reservoir (ca. 1.5 km. s. of Bear Creek Rd. on hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve 170 Comment
  UC56850 Image available Amsinckia lunaris H. M. Hall 1900-3-24 Contra Costa Briones Valley Region of San Francisco Bay; Briones Valley, region of San Francisco Bay Comment
Read comments Jan 7 2013
  UC762105  Amsinckia lunaris R. F. Hoover 1939-5-20 4105 Contra Costa lower end of San Pablo Resevoir Comment
  JEPS25354  Amsinckia lycopsoides Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6964 Contra Costa 1.9 mi w Byron (at road summit along Camino Diablo) 54 Comment
  SD71397  Amsinckia menziesii John Thomas Howell 1933-5-14 11224 A Contra Costa St. Mary's College Comment
  UC198378  Amsinckia tessellata var. gloriosa Katharine Brandegee 1916-5-8 Contra Costa Byron H. S., Byron Springs Byron Springs Comment
  JEPS25509  Amsinckia tessellata var. tessellata R. F. Hoover 1938-3-25 2894 Contra Costa Markley Canyon Comment
  CDA29026  Anagallis arvensis D. G. Kelch 2006-5-7 6 .156 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  SEINET9341786  Anagallis arvensis Unknown 1966-4-15 101 Contra Costa Contra Costa County Comment
  UCD117553  Anagallis arvensis Terri Williamson 1990-5-22 69 Contra Costa 212 Poshard Street, Pleasant Hill. 12 Comment
  UC691813  Ancistrocarphus filagineus Mary L. Bowerman 1932-4-9 1321 Contra Costa firebreak on large spur which heads into Sycsamore Canyon Inner Black Hills; Mount Diablo Comment
  UC691815  Ancistrocarphus filagineus Mary L. Bowerman 1935-4-17 2834 Contra Costa 2 mi from entrance on West rd (= North Rd), (hillside above serpentine outcrop) Mount Diablo 259 Comment
  UC2027832  Ancistrocarphus filagineus Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17631 Contra Costa northwest flank of Mount Diablo, Ginochio property north of park boundary on Long Ridge. Comment
  CAS-BOT-BC46935  Androsace elongata subsp. acuta Mary L. Bowerman 1932-3-12 1116 Contra Costa Alamo Canyon: 50' above the stream 365 Comment
  POM300727  Androsace elongata subsp. acuta Mary L. Bowerman 1932-3-12 1116 Contra Costa Alamo Canyon: 50 feet above stream. 366 Comment
  UC672438  Anemopsis californica Herbert L. Mason 1929-9-21 5437 Contra Costa 3 mi above Clayton (Marsh Creek Road); Marsh Creek Road Comment
  JEPS111614  Angelica californica D. G. Kelch 2004-5-2 04 .166 Contra Costa Edwards Canyon, Crockett 125 Comment
  UC692562  Angelica californica Mary L. Bowerman 1935-6-21 3149 Contra Costa Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 274 Comment
  UC2012963  Anthriscus caucalis Barbara Ertter with Travis Columbus 1990-6-10 9111 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, damp soil in eroded stream cut, near crossing on Spengler Trail NE of Briones Peak. Comment
  UC306602  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. D. E. Elmer Jun 1903 4809 Contra Costa Mount Diablo; ; Mt. Diablo, Contra Costa Co. Comment
  RSA135450  Apiastrum angustifolium Volney Rattan 1886-6-14 s.n. Contra Costa West slope of Mt. Diablo Comment
  SEINET13943445 Image available Apium graveolens Joseph Andorfer Ewan 1936-1 9714 Contra Costa Wildcat Creek Comment
  UC691848  Apocynum cannabinum Mary L. Bowerman 1931-5-28 905 Contra Costa gully to s. at e. end of Castle Rock Farm (Pine Canyon); Mt. Diablo, Pine Canyon Comment
  UCD95520  Aquilegia formosa Collector unknown Date unknown s.n. Contra Costa On ridge to west of Franklin Canyon (Central). 274 Comment
  CDA37785  Arabis breweri unknown 1937-4-18 Contra Costa Northern California; Mt. Diablo. 0 Comment
  UC10113 Image available Arabis breweri Wm. H. Brewer 1862-5-14 1086 Contra Costa rocky summit of Mt. Diablo on eastern peak Comment
  UC692480  Aralia californica Mary L. Bowerman 1933-6-21 2330 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 243 Comment
  UCD117499  Arbutus menziesii Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  UC692043  Arceuthobium campylopodum Mary L. Bowerman 1931-10-31 1065 Contra Costa south Rd near junction Mount Diablo Comment
  UC1509579  Arctostaphylos Stephen W. Edwards 1984-2-20 SW- 84 -1 Contra Costa w flank of ridge e Olinda Drive (nw of intersection of San Pablo Dam Rd and Castro Ranch Rd) Comment
  RSA139994  Arctostaphylos andersonii var. pallida R. C. Wilson 1935-2-26 105 Contra Costa One mile southwest of Nortonville. 442 Comment
  CAS-BOT-BC24108  Arctostaphylos auriculata Alice Eastwood; John Thomas Howell 1936-4-19 2130 Contra Costa Nortonville Comment
  JEPS124460  Arctostaphylos auriculata Daniel Slakey with CNPS Volunteers 2015-6-29 136 Contra Costa Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point. Comment
  RSA212152  Arctostaphylos auriculata L. S. Rose 1970-4-2 70023 Contra Costa Rock City, Mount Diablo. 426 Comment
  UC1120857  Arctostaphylos auriculata H. A. Jensen 1938-10-27 455 Contra Costa head of Sycamore Creek Mt. Diablo Quadrangle 518 Comment
  UC1120858  Arctostaphylos auriculata H. A. Jensen 1938-10-27 450 Contra Costa head of Curry Canyon Mt. Diablo Quadrangle Comment
  LA42141  Arctostaphylos auriculata Lewis S. Rose; 1934-2-28 34039 Contra Costa Mt. Diablo, 8 mi. NE Danville Comment
  SEINET11998374  Arctostaphylos canescens subsp. malloryi W. Knight, Knight, I. 1988-1 6478 Contra Costa Tilden Regional Park, Regional Parks Botanic Garden, originally from Iron Mt. in Shasta Co 914 Comment
  CAS-BOT-BC23552  Arctostaphylos crustacea Neil Havlik; Walter Knight 1982-11-12 4548 Contra Costa Briones Regional Park adjacent to russell Tree Farm. 327 Comment
  CAS-BOT-BC23553  Arctostaphylos crustacea Neil Havlik; Walter Knight 1982-11-12 4549 Contra Costa Briones Regional Park adjacent to russell Tree Farm. 327 Comment
  UC2029045  Arctostaphylos crustacea subsp. rosei Barbara Ertter with Linda Vorobik 2000-1-9 16888 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  CAS-BOT-BC24860  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1980-3-16 3716 Contra Costa Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch Road, El Sobrante. Comment
  CAS-BOT-BC24850  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 Contra Costa Contra Costa Co. Comment
  SBBG114891  Arctostaphylos glandulosa subsp. glandulosa C. Bornstein 1999-3-20 Contra Costa Sobrante Ridge Regional Preserve 243 Comment
Read comments Dec 27 2008
  UC1120326  Arctostaphylos glandulosa subsp. glandulosa H. A. Jensen 1938-10-27 454 Contra Costa head of Sycamore Creek Mount Diablo Quadrangle Comment
  UC692229  Arctostaphylos glandulosa subsp. glandulosa Mary L. Bowerman 1933-4-22 1900 Contra Costa w Cave Point; Mount Diablo, Inner Black Hills Comment
  JEPS38916  Arctostaphylos glauca Mary L. Bowerman 1930-6-22 362 Contra Costa Mitchell Canyon Mount Diablo Comment
  RSA721734  Arctostaphylos glauca Barbara Ertter, Holy Forbes 1996-2-11 14548 Contra Costa North side Mount Diablo; Murchio Gap on Median Ridge Road. 732 Comment
  UC692232  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge (=Fossil Ridge) Comment
  UC692498  Arctostaphylos glauca Mary L. Bowerman 1931-11-21 1068 Contra Costa near canyon bottom and Bilharan Mount Diablo, Donner Canyon Comment
  RSA0046799  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa Fossil Ridge, outer south face. In gully northwest of South Gate. Comment
  SEINET11989152  Arctostaphylos glauca B. A. Stein 1981-1 461 Contra Costa Mt. Diablo State Park, Juniper Camp 884 Comment
  RSA632823  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27581 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  UCSB22281  Arctostaphylos manzanita McMinn, H. 1936-4-11 Contra Costa Mt. Diablo; head of Sycamore Canyon Comment
  JEPS78231 Image available Arctostaphylos manzanita subsp. laevigata James Roof 1009 Contra Costa along Black Diamond Trail Black Diamond Regional Reserve; Black Diamond Trail, of the Black Diamond Regional Preserve, Contra Costa Co. 121 Comment
  RSA164649  Arctostaphylos manzanita subsp. laevigata Percy C. Everett 1963-11-19 24499 Contra Costa Mt Diablo. 457 Comment
  UC1121504  Arctostaphylos manzanita subsp. laevigata H. A. Jensen 1938-10-27 452 Contra Costa head of Curry Canyon Mt. Diablo Quadrangle Comment
  OBI14658  Arctostaphylos manzanita subsp. laevigata H. E. McMinn 1936-4-11 4418 Contra Costa Mt Diablo-head of Sycamore Canyon Comment
  CAS-BOT-BC42235  Arctostaphylos pallida Walter Knight; Irja Knight 1980-3-16 3714 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  HSC93963  Arctostaphylos pallida C. Newberry 1994-3-12 7163 Contra Costa Huckleberry Botanic Regional Preserve, Skyline Trail 244 Comment
  LA42215  Arctostaphylos pallida J. A. Ewan; 1934-1-7 8162 Contra Costa Head of San Leandro Creek above Oakland Comment
  UC198874  Arctostaphylos pallida V. King Chesnut April 1888 Contra Costa Moraga Valley Comment
  POM127991  Arctostaphylos stanfordiana subsp. stanfordiana R. C. Bacigalupi 1924-2-17 s.n. Contra Costa Lower slopes of Mt. Diablo, on old wagon road to summit from Diablo Country Club. (Black Hills). 457 Comment
  JEPS46271  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1943-6-19 20850 Contra Costa Moraga Ridge Comment
  JEPS98840  Arctostaphylos tomentosa subsp. crustacea Walter Knight, Irja Knight, James B. Roof, R. Gankin, R. Hildreth 1964-10-7 Contra Costa near Rock City; Mt. Diablo Comment
  SD107640  Arctostaphylos tomentosa subsp. crustacea Stephen W. Edwards 1981-1-5 1001 Contra Costa Biones Regional Park, from ridge facing Russell Tree Farm Comment
  UC1120116  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1590 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC1120139  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1587 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC549462  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 634 Contra Costa Moraga Ridge Comment
  UC909851  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 635 Contra Costa Moraga Ridge Comment
  CAS-BOT-BC102183  Argyranthemum foeniculaceum G. Thomas Robbins; John Weiler 1959-5-23 4022 Contra Costa Breakwater portion of Brooks Island (its northwestern extension), San Francisco Bay, Richmond Comment
  JEPS81964  Argyranthemum foeniculaceum Rimo Bacigalupi and L. R. Heckard 1965-5-11 9070 Contra Costa on strand at n end Brooks Island (sw of Richmond, in San Francisco Bay); San Francisco Bay, n end of Brooks Island Comment
  OBI16786  Argyranthemum foeniculaceum G. Thomas Robbins, John Weiler 1959-5-23 4022 Contra Costa Brooks Island (its NW extension), San Francisco Bay, Richmond Comment
  JEPS111635  Aristolochia californica D. G. Kelch 2004-3-5 04 .3 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 68 Comment
  JEPS32461  Aristolochia californica Mary Ann Linsford 1931-3-15 Contra Costa San Pablo Creek near Orinda Comment
  SD58208  Aristolochia californica L. J. Barker 1932-3-27 Contra Costa Orinda-Bear Valley road just over the divide on Pinole side. Comment
  JEPS95239  Arnica discoidea Stephen W. Edwards 1991-1 Contra Costa Huckleberry Trail; Huckleberry Botanic Regional Preserves Comment
  RSA94492  Arnica discoidea F. W. Peirson 1923-7-1 3919 Contra Costa Mt. Diablo Comment
  UC2028262  Arnica discoidea Barbara Ertter 1999-6-12 16718 Contra Costa Head of West Branch Alamo Creek on south flank of Mount Diablo, spur road to powerline south from Knobcone Point Road at park boundary. Comment
  POM198283  Arrhenatherum elatius Jos Burtt Davy 1898-6-6 s.n. Contra Costa Berkeley Hills. Comment
Read comments Sep 6 2010
  UC1949095  Artemisia biennis Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19800 Contra Costa upper (south) end of San Pablo Dam Reservoir northwest of Orinda Comment
  JEPS111670  Artemisia californica D. G. Kelch 2003-3-21 03 .48 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UCD38888  Artemisia californica Beecher Crampton 1959-10-19 5466 Contra Costa Mt. Diablo State Park. Comment
  UCD129214  Artemisia californica Beecher Crampton 1972-11-21 8892 Contra Costa 2 miles east Port Costa. Comment
  CAS-BOT-BC90296  Artemisia douglasiana Mary L. Bowerman 1932-9-17 1582 Contra Costa Donner Canyon, west fork Comment
  CAS-BOT-BC90297  Artemisia douglasiana Vincent Jones 1920-8-20 s.n. Contra Costa Vallejo Comment
  CAS-BOT-BC90299  Artemisia douglasiana John Thomas Howell; Gordon H. True 1972-6-29 48945 Contra Costa Low places along Byron Hot Springs Road where water has stood, southeast of Byron Comment
  RSA94411  Artemisia douglasiana Joseph A. Ewan 1933-10-15 8033 Contra Costa Grassy slope above Indian Ceremonial Spr., Mt. Diablo Comment
  UC1051127  Arum italicum N. Floy Bracelin 1944-9-24 2585 Contra Costa the Garden of Anson and Anita Blake Berkeley Comment
  UC2028979  Asclepias californica Barbara Ertter 2000-5-14 17019 Contra Costa Donner Basin on north side of Mount Diablo, upper end of Falls Trail near junction of Cardinet Oaks Road. Comment
  SEINET10580308  Asclepias californica subsp. greenei Charles F. Baker 1903-4-28 Baker 2871 Contra Costa Marsh Creek, Mt. Diablo Comment
  UC35243  Asclepias cordifolia Prof. E. L. Greene April 1889 Contra Costa hills near Martinez Comment
  UC22985  Asclepias fascicularis Edw. L. Greene June 1892 Contra Costa Walnut Creek Comment
  UC691840  Asclepias fascicularis Mary L. Bowerman 1932-11-25 1667 Contra Costa Silver Spring Mount Diablo Comment
  UCD150890  Asclepias fascicularis James A. Neilson Jr. 1972-11-2 3600 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  RSA121907  Asclepias fascicularis H. S. Yates 1934-9-2 4067 Contra Costa One mile southwest of Mt. Diablo 762 Comment
  UC1795104  Asphodelus fistulosus Barbara Ertter, Tony Morosco 2000-4-12 16959 Contra Costa Vasco Road 0.4 miles north of Tesla Road southeast of Livermore; roadside. Comment
  JEPS46413  Aspidium Sanford Feb. 1908 Contra Costa Clayton Comment
  RSA0028278  Aster exilis Barbara Ertter, CNPS 1990-9-16 9645 Contra Costa Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Recreation Area. Comment
  RSA417743  Aster radulinus M. B. Dunkle 1931-7-18 2532 Contra Costa Strawberry Canyon, Berkeley 152 Comment
  SEINET11851717  Aster subulatus var. ligulatus L. S. Rose 1938-1 38312 Contra Costa Byron 3 Comment
  UC1128838  Astragalus asymmetricus N. French 1935-7-19 644 Contra Costa 1/2 mi e Nortonville; Mt. Diablo Quad., e of Nortonville 304 Comment
  UC1606355  Astragalus asymmetricus Barbara Ertter with Dianne Lake 1991-8-18 10678 Contra Costa nw Bull Valley staging area (Carquinez Strait Regional Shoreline e of Crockett); Carquinez Strait Regioinal Shoreline e of Crockett Comment
  CAS-BOT-BC177884  Astragalus didymocarpus var. didymocarpus Robert Hoover 1935-3-10 308 Contra Costa Kirker Pass Comment
  SEINET3127325  Astragalus didymocarpus var. didymocarpus Brandegee sn Contra Costa Antioch Comment
  UC13432  Astragalus gambelianus State Survey 1862-5-12 1071 Contra Costa Mt. Diablo Comment
Read comments Jan 20 2011
  CAS-BOT-BC178477  Astragalus gambelianus Alice Eastwood 1906-5-1 s.n. Contra Costa Berkeley Comment
  SEINET948569  Astragalus nigrescens Lincoln Constance, Carl W. Sharsmith, Howard S. Reed 1940-1 2572 Contra Costa Pine Canyon, base of Mount Diablo. 305 Comment
  SEINET12004480  Athysanus pusillus L. S. Rose 1932-1 32107 Contra Costa Nortonville Comment
  SEINET6069536  Athysanus pusillus Unknown 1931-3-10 5754 Contra Costa Mt. Diablo. East side. 7 miles from Clayton on Livermore Road. Comment
  CDA9501  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .228 Contra Costa Byron Airport. Comment
  RSA452691  Atriplex argentea E. E. Stanford 1930-08 1870 Contra Costa near Old River Comment
  CAS-BOT-BC168541  Atriplex coronata R. E. Frenkel 1964-7-10 648 Contra Costa On Balfour Road, 0.2 miles west of Bixler Road 6 Comment
  CAS-BOT-BC168543  Atriplex coronata R. E. Frenkel 1964-9-18 855 Contra Costa On Balfour Road, 0.2 mile west of Bixler Road 6 Comment
  CDA23264  Atriplex fruticulosa T. Sawyer 1965-3-23 Contra Costa Armstrong Road. 0 Comment
  SEINET4134956  Atriplex heterosperma Howard C. Stutz 1990-8-17 95340 Contra Costa No. Livermore.; 0 Comment
  UC1607605  Atriplex lentiformis Barbara Ertter 1990-10-24 9686 Contra Costa Martinez Regional Shoreline on Carquinez Strait (beaten saline soil along path through saltmarsh); Martinez Regional Shoreline on Carquinez Strait Comment
  CDA23285  Atriplex lentiformis subsp. breweri F. T. Swett 1960-9-23 Contra Costa Hill Girt Farm, Alhambra Valley, Martinez. 0 Comment
  UC2042867  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  RSA0029775  Atriplex semibaccata Barbara Ertter 1990-9-30 9655 Contra Costa SE of Hilltop Mall in N Richmond, near Day s Inn. Comment
  UC1607604  Atriplex triangularis Barbara Ertter with Elizabeth Neese 1988-10-15 7979 Contra Costa in salicornia marsh w. of I-580 in El Cerrito (w side along Rydin Road n of Central Avenue; edge of roadbank and marsh) Comment
  UC53767  Avena barbata J. Burtt Davy May, 1898 Contra Costa Livermore Region Of Mount Diablo Comment
  RSA762309  Avena fatua William J. Ferlatte, L. M. Moe 1970-4-27 1225 Contra Costa San Francisco Bay, Red Rock Island. Comment
  UC697125  Avena fatua Mary L. Bowerman 1931-5-7 809 Contra Costa North Peak Mount Diablo Comment
  UCSB12521  Avena fatua Grah, Nancy 1962-4-14 Contra Costa 0.2 mi N of Miner Rd on Sleepy Hollow Lane; Orinda 182 Comment
  UCD56372  Avena fatua var. glabrata Beecher Crampton 1956-5-14 3418 Contra Costa 1/2 mile northwest of Martinez. On the road to Crockett. Comment
  UCD56084  Avena occidentalis G. Douglas Barbe 1983-5-22 4081 Contra Costa Mount Diablo State Park. 877 Comment
Read comments Nov 19 2009
  POM301043  Baccharis douglasii Mary L. Bowerman 1942-10-4 3852 Contra Costa Russelman Park Road 290 Comment
  CDA37435  Baccharis glutinosa D. G. Kelch, Mike Perlmutter 2011-9-23 11 .753 Contra Costa Immediately north of Discovery Bay. Comment
  JEPS111682  Baccharis glutinosa D. G. Kelch 2003-8-13 03 .138 Contra Costa Pinole Creek 68 Comment
  UC697204  Baccharis glutinosa Mary L. Bowerman 1942-10-4 3852 Contra Costa Mount Diablo, Russelman Park Road 289 Comment
  UCD150885  Baccharis glutinosa James A. Neilson Jr. 1972-11-9 s.n. Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  LA203046  Baccharis glutinosa Joseph Andorfer Ewan; 1936-8-30 10119 Contra Costa Shasta road, W rim Wildcat Canyon Comment
  UC691906  Baccharis pilularis Mary L. Bowerman 1930-9-27 470 Contra Costa west road 2 miles from entrance North Road; Mount Diablo Comment
  OBI37081  Baccharis pilularis Calvin Craig 1983-11-5 20 Contra Costa Colelcted on North east side of Mt. Diablo Comment
  POM181441  Baccharis salicifolia I. L. Wiggins 1930-4-18 4600 Contra Costa Levee bank, near ferry, Jersey Island Comment
  UC202943  Baccharis salicifolia subsp. salicifolia Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC30399  Baccharis salicifolia subsp. salicifolia H. N. Bolander 1866-4-1 6162 Contra Costa near Mount Diablo Comment
  JEPS32259  Balsamorhiza deltoidea R. F. Hoover 1939-4-13 4015 Contra Costa head of Markley Canyon (w branch) Markley Canyon Comment
  UC1818940  Barbarea orthoceras Barbara Ertter, Mary Bowerman 1994-6-19 12843 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, ca. 3300'; roadside cut thru chaparral. Comment
  JEPS111081  Bellardia trixago Lee Echols 2003-4-29 s.n. Contra Costa N of Lark Drive in central portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond Comment
  JEPS15610  Bellardia trixago R. Bacigalupi and G. Thomas Robbins 1955-5-4 4973 Contra Costa E edge, field along treat Lane Concord; Clayton Valley 60 Comment
  UC1126282  Berberis pinnata R. W. Lundh 1933-2-2 201 Contra Costa 3/4 mi sw Redwood Peak; Concord Quadrangle Comment
  UC691926  Berberis pinnata Mary L. Bowerman 1931-2-22 517 Contra Costa e fork Sycamore Canyon; Mt Diablo Comment
  UCD158710  Beta vulgaris subsp. maritima James A. Neilson Jr. 1972-11-2 3613 a Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  NY30996  Blennosperma californicum R. C. F. Bacigalupi 1957-3-27 5761 Contra Costa At junction of Lone Tree Way and Hillcrest Ave. (rd.), about 0.5 mile west of Lone Tree School 39.3 Comment
  CHSC23347  Blennosperma nanum Willis Ball 1975-3-2 470 Contra Costa Contra Loma Regional Park. In area #1. On small hill ca. 10 yds N of N end of main parking lot at S end of lake. 36 Comment
  JEPS68966  Blennosperma nanum Edward Lee 1935-3-10 1299 Contra Costa Nortonville South watershed of Kirker Creek Comment
  NY31032  Blennosperma nanum D. G. Nelson 1937-3-30 459 Contra Costa Marsh Creek Highway, about halfway between Clayton and Byron Comment
  POM247237  Blennosperma nanum Annetta Carter 1937-3-28 1225 Contra Costa Marsh Creek Road, 15 miles east of Concord. 152 Comment
  RSA31357  Blennosperma nanum Joseph A. Ewan 1935-3-10 9154 Contra Costa In hills above Nortonville. Comment
  CAS-BOT-BC100703  Blennosperma nanum var. nanum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  JEPS25358  Blennosperma nanum var. nanum Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-19 6969 Contra Costa 1mi se, e of Byron Road Byron 6 Comment
  SBBG7808  Blennosperma nanum var. nanum J. M. Tucker 1946-3-24 1382 Contra Costa hills between Nortonville and Somersville Comment
  UC63210  Blennosperma nanum var. nanum H. M. Hall 1901-3-22 1695 Contra Costa Martinez San Francisco Bay Region Comment
  CAS-BOT-BC100701  Blennosperma nanum var. nanum Annetta Carter 1937-3-28 1225 Contra Costa March Creek Road, 15 miles east of Concord 152 Comment
  CAS-BOT-BC127913  Blepharizonia laxa M. K. Curran 1883-10-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC100337  Blepharizonia plumosa K. Curran 1883-8-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC100338  Blepharizonia plumosa R. F. Hoover 1937-9-2 2708 Contra Costa Walnut Creek Comment
  UC311580  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa near Antioch (Los Medanos); Los Medanos Comment
  CAS-BOT-BC15961  Boechera breweri subsp. breweri L. Constance; J. L. Morrison 1938-4-5 2192 Contra Costa Near Mitchell Canyon on west slope of Mount Diablo. 609 Comment
  CAS-BOT-BC15960  Boechera breweri subsp. breweri E. W. Hicks 1917-3-24 111 Contra Costa Mount Diablo. Western slope of the mountain. 1067 Comment
  UCD102382  Boechera breweri subsp. shastaensis Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1060 Comment
  POM194201  Boisduvalia glabella J. T. Howell 1929-7-20 4331 Contra Costa Pittsburg Comment
  UC2029178  Bolboschoenus maritimus subsp. paludosus Barbara Ertter with Alan Prather 2003-6-7 18198 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, fenced pond in bend of east Highland Ridge Trail, 1/4 miles E of junction Stone Corral Trail. Comment
  HSC7467  Bolboschoenus robustus Leo Koch 1940-6-5 1004 Contra Costa Near highway, 2 mi. S of San Rafael ferry dock Comment
  CAS-BOT-BC95329  Bowlesia incana Mary L. Bowerman 1935-6-1 3098 Contra Costa Pine-Mitchell divide, Mount Diablo 975 Comment
  UC566877  Bowlesia incana H. L. Mason 1928-3-4 4169 a Contra Costa Shell Ridge Comment
  UC1819038  Brachypodium distachyon Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14244 Contra Costa South side Mount Diablo, Sloan Road between Curry Point and Curry Canyon, roadside in partial shade of oak forest on north-facing slope. 487 Comment
  CAS-BOT-BC36726  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island. Comment
  JEPS100010  Brassica rapa G. Smick 2003-2-20 GAS 49 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC650432  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island Comment
  UC691193  Briza minor Mary L. Bowerman 1931-4-11 686 Contra Costa Pine Canyon Mount Diablo (lower end) 121 Comment
  JEPS7645  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-5 7599 Contra Costa Donner Canyon Mount Diablo, Donner Canyon 457 Comment
  CAS-BOT-BC149351  Bromus berteroanus Edward Lee 1936-4-19 1970 Contra Costa San Francisco Bay. Red Rock. Northeast corner of the island. Comment
  UCD38557  Bromus berteroanus Beecher Crampton 1956-5-14 3415 Contra Costa 0.5 mile northwest of Martinez. Comment
  SEINET10520207  Bromus carinatus Alan A. Beetle 1942-3-22 Beetle 2931 Contra Costa Brooks Island, San Francisco Bay, near Richmond. Comment
  CAS-BOT-BC149541  Bromus carinatus var. carinatus R. E. Frenkel 1964-9-18 845 Contra Costa On Giant Road at its junction with Atlas Road, Richmond. 16 Comment
  CAS-BOT-BC149543  Bromus carinatus var. carinatus David C. Rentz 1968-4-29 5 Contra Costa Between homes near Oak View Avenue on Ocean View Avenue. Kensington. Comment
  RSA32317  Bromus diandrus Mary L. Bowerman 1933-5-11 2088 Contra Costa Inner Black Hills west of saddle: open ridge Comment
  UC2028404  Bromus diandrus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16113 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail Comment
  UC606748  Bromus diandrus Edward Lee 1936-4-19 1976 Contra Costa San Francisco, Red Rock Red Rock; San Francisco, Red Rock Comment
  UC691241  Bromus diandrus Mary L. Bowerman 1933-5-2 1948 Contra Costa below Pioneer Camp (Mount Diablo); Mount Diablo 762 Comment
  CAS-BOT-BC155470  Bromus hordeaceus Alice Eastwood 1921-4-18 10263 Contra Costa Antioch. Comment
  CHSC21617  Bromus hordeaceus Willis Ball 1974-4-21 429 Contra Costa Contra Loma Regional Park. In area #6. On e side of Contra Loma Blvd. ca. 300 yds. s of main boat ramp at s end of lake. One yd. off road. 45 Comment
  JEPS100024  Bromus hordeaceus G. Smick 2003-3-27 GAS 95 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC579854  Bromus hordeaceus Annetta Carter 1936-4-19 1117 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC60206  Bromus hordeaceus Jos. Burtt Davy 1899-4-19 7866 Contra Costa Las Trampas Creek Comment
  UC697215  Bromus hordeaceus Mary L. Bowerman 1931-4-18 732 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 365 Comment
  UCD58641  Bromus hordeaceus Beecher Crampton 1956-5-14 3417 Contra Costa 1/2 mile northwest of Martinez. Road to Crockett. Comment
  POM300676  Bromus laevipes Mary L. Bowerman 1935-5-16 3011 Contra Costa Behind Gabriel-Hinks'(east side of North Peak) 290 Comment
  UC691133  Bromus laevipes Mary L. Bowerman 1933-6-20 2324 Contra Costa Mount Diablo, Median Ridge in Donner Canyon Donner Canyon; Mount Diablo, Median Ridge, Donner Canyon 304 Comment
  UCD36914  Bromus madritensis Beecher Crampton 1956-5-14 3385 Contra Costa 6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
  UCD58961  Bromus madritensis Beecher Crampton 1956-5-14 3401 Contra Costa Southeast of Mt. Diablo. 640 Comment
  UCD59002  Bromus madritensis Beecher Crampton 1956-5-14 3395 Contra Costa Marsh Creek Road. 3.7 miles southeast of Clayton. Comment
  UC1137749  Bromus madritensis subsp. madritensis C. M. Belshaw 1936-5-8 2072 Contra Costa 1 1/2 mi w of Mount Zion 274 Comment
  SEINET5607271 Image available Bromus rigidus Rachel Van Noord 1998-1 6 Contra Costa Dinosaur Hill Park, Pleasant Hill Comment
  SACT000721  Bromus rubens Annette Waters 1958-5-13 Contra Costa 3 miles north of sign ""South Entrance of Park 4 miles""; at edge of road in dry sandy soil; few heads greenish but mostly purple Comment
  CAS-BOT-BC161947  Bromus rubens Mary L. Bowerman 1933-3-18 1751 Contra Costa Mount Diablo below the chaparral belt, a little east of the meridian. 548 Comment
  CAS-BOT-BC161948  Bromus rubens Mary L. Bowerman 1931-4-18 731 Contra Costa Mount Diablo. Sycamore Canyon. 365 Comment
  UC692663  Calandrinia breweri Mary L. Bowerman 1932-4-16 1338 Contra Costa Eagle Point Ridge s 1682 point; Mount Diablo Comment
  CAS-BOT-BC438372  Calandrinia ciliata Mary L. Bowerman 1939-5-2 3741 Contra Costa Mount Diablo. By road to Barbecue Terrace (off South Road) 563 Comment
  JEPS111765  Callitriche marginata D. G. Kelch 2005-3-11 05 .34-B Contra Costa Mt. Wanda - Martinez Mt. Wanda. Fire road climbing North side of mountain 90 Comment
  UC570769  Callitriche marginata H. L. Mason 1932-3-20 6852 Contra Costa Deer Valley; Briones Road Comment
  CAS-BOT-BC487477  Calochortus albus Robert F. Hoover 1939-4-26 4067 Contra Costa Head of Markley Canyon (west branch) Comment
  CAS-BOT-BC132493  Calochortus pulchellus D. E. Breedlove 1970-4-18 17425 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  OBI21346  Calochortus pulchellus Robert F. Hoover 1968-5-16 11092 Contra Costa Upper Marsh Creek Comment
  SEINET3885356  Calochortus pulchellus Clayton Newberry 1994-4-30 7250 Contra Costa Mount Diablo State Park, trail from Mitchell Cn. Prkng to Donner Cr.; 0 900 Comment
  UC1300909  Calochortus pulchellus Helen K. Sharsmith 1962-5-20 5069 Contra Costa Morgan Territory Road, ne slopes of Mount Diablo San Francisco Bay Region, Mount Diablo 365 Comment
  UC3461  Calochortus pulchellus W. H. Brewer 1862-5-7 1063 Contra Costa n slope Mount Diablo Comment
  JEPS61718  Calochortus splendens W. L. Jepson 1919-6-8 8326 Contra Costa Mt. Diablo Comment
  UC1779713  Calochortus umbellatus Rudolf Schmid 1997-4-8 1997 -2 Contra Costa Hillside Natural Area, El Cerrito; SW of Kent Dr. - Regency Ct. entrance, N side of juncttion of the two main fire roads. 144 Comment
Read comments Apr 2 2012
  UCD139593  Calochortus umbellatus Rudolf Schmid 1997-4-8 1997 -2 Contra Costa Hillside Natural Area, El Cerrito; SW of Kent Dr. - Regency Ct. entrance, north side of junction of the two main fire roads. 575 Comment
  CAS-BOT-BC494047  Calochortus venustus John Thomas Howell 1931-5-12 6471 Contra Costa Nortonville Comment
  CAS-BOT-BC494048  Calochortus venustus L. R. Abrams 1921-5-25 8054 Contra Costa Near Spring 4 1/2 mi from summit mt Diablo Comment
  UCD95579  Caltha palustris E. Dean; with Thomas Starbuck 1993-5-1 359 Contra Costa Oakland hills, canyon E of Skyline Blvd., growing in stream that separates Huckleberry Preserve from Sibley Volcano Park, along Skyline Trail, near old homestead site. Comment
  CAS-BOT-BC270072  Calycadenia multiglandulosa H. M. Hall 1916-8-16 10274 Contra Costa Horse Valley, 9 km S of Antioch Comment
  UC2027952  Calycadenia truncata Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17512 Contra Costa North side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring. Comment
  HSC104417  Calystegia David Gowen 2005-5-14 333 Contra Costa Mt. Diablo State Park; north slope below summit of Oyster Ridge. Comment
  HSC104418  Calystegia David Gowen 2005-5-29 396 Contra Costa West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve; north of summit of hill 2581 (Tassajara Pk.?) Comment
  CAS-BOT-BC224748  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-6-8 3126 Contra Costa Mount Diablo. Summit 1170 Comment
  JEPS78819  Calystegia purpurata Edward Lee 1936-5-24 2160 Contra Costa about 2 mi se Curry Canyon (Marsh Creek, Morgan Territory); Morgan Territory, se of Curry Canyon, Marsh Creek Comment
  UC1057486  Calystegia sepium subsp. binghamiae G. Thomas Robbins 1940-5-19 327 Contra Costa San Joaquin River e Antioch; San Joaquin River e of Antioch Comment
  CAS-BOT-BC202027  Calystegia sepium subsp. limnophila Ira L. Wiggins 1954-9-5 13122 Contra Costa Levee along Bethel Island Comment
  JEPS47838  Calystegia subacaulis W. L. Jepson 1922-6-7 9719 a Contra Costa North Berkeley Hills Comment
  UC2031409  Calystegia subacaulis Barbara Ertter 2002-5-16 17856 Contra Costa Richmond Field Station (UC Berkeley), relict coastal grassland at end of Lark Lane Comment
  CAS-BOT-BC224336  Calystegia subacaulis subsp. subacaulis R. K. Brummitt; B. Ertter 1998-5-13 19841 Contra Costa S of Antioch, Black Diamond Mine Regional Park 400 Comment
  UC20452  Camissonia campestris subsp. campestris J. Burtt Davy 1895-4-7 879 Contra Costa Antioch Comment
  JEPS12784  Camissonia contorta Rimo Bacigalupi with G. T. Robbins 1955-5-4 4977 Contra Costa s. of and above Nortonville (site) 304 Comment
  UC873941  Camissonia contorta Lewis S. Rose 1938-5-8 38223 Contra Costa sand hills Antioch 15 Comment
  SEINET12189053  Camissonia strigulosa L. S. Rose 1938-1 38223 Contra Costa Antioch 15 Comment
  UC874075  Camissoniopsis intermedia Lewis S. Rose 1941-5-15 41229 Contra Costa w. slope Mt. Diablo 274 Comment
  UC691593  Campanula exigua Mary L. Bowerman 1930-6-10 309 Contra Costa Meridian Peak Summit Mount Diablo Comment
  JEPS100084  Capsella bursa-pastoris G. Smick 2003-4-3 GAS 121 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC37396  Cardamine californica Annetta Carter; Helen Sharsmith 1940-3-17 1498 Contra Costa Near Stege railroad station two miles southeast of Richmond. 7 Comment
  LA204280  Cardamine californica John Thomas Howell; 1931-3-10 5757 Contra Costa Mt. Diablo, 7 miles from Clayton on Livermore road Comment
  LA204290  Cardamine californica Carl B. Wolf; 1937-3-28 8319 Contra Costa 2 mi. S of Pinole on San Pablo Road 30 Comment
  POM272925  Cardamine californica var. integrifolia Lyman Benson 1935-3-16 6277 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  POM264460  Cardamine californica var. integrifolia Annetta Carter, H. K. Sharsmith 1940-3-17 1498 Contra Costa Near Stege railroad station 2 miles SE of Richmond. 8 Comment
  RSA721865  Cardamine hirsuta Barbara Ertter, Gary Schoolcraft 1996-4-7 14576 Contra Costa Molate Beach Park on San Francisco Bay N of San Rafael Bridge; S end of parking area. Comment
  UC2070560  Cardamine hirsuta Barbara Ertter 2002-5-16 17853 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  RSA0029785  Cardamine oligosperma Barbara Ertter 2000-3-19 16897 Contra Costa Southwest side of Mount Diablo, Stage Road along Pine Creek, ca. 0.5 mile above Pine Pond. 198 Comment
  UC2028048  Cardamine oligosperma Barbara Ertter 1998-2-15 15914 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, outcrops on north side of Joaquin Ridge south of Indian Creek, +/- wooded. Comment
  CAS-BOT-BC34930  Carex densa Mary L. Bowerman 1934-4-21 2531 Contra Costa Mount Diablo. Canyon Nook at junction of North and South Roads. Comment
  CHSC114386  Carex obnupta D. G. Kelch; Michael Park, Abigail Moore 2007-5-1 7251 B Contra Costa Along the old San Joaquin River Channel, S of Clifton Court Forebay and SE of Byron. 0 Comment
  JEPS111901  Carex praegracilis D. G. Kelch 2005-3-24 05 .64 Contra Costa Point Pinole Southern Pt. Pinole 3 Comment
  SEINET3451402  Carex praegracilis Dean G. Kelch, Andrew G. Murdock 2005-3-24 DGK 5 .064 Contra Costa Corquinez Strait Region, Corquinez Strait Region, Southern Point Pinole 3 Comment
  UC1795880  Carex praegracilis Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14672 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; wetlands behind facilities at base of ''D'' road. Comment
  UC823230  Carex serratodens Lewis S. Rose 1935-5-16 35163 Contra Costa Mt. Diablo Comment
  POM300643  Carex serratodens Mary L. Bowerman 1935-6-1 3120 Contra Costa Mount Diablo: Grapevine Picnic Grounds (by road just below Silver Spring) 854 Comment
  CDA34479  Carex subbracteata D. G. Kelch 2006-3-18 6 .106 Contra Costa 2 km N-NW of Orinda Village. NW of corner of San Pablo Dam Rd & Bear Valley Rd. 0 Comment
  CHSC107307  Carex tumulicola D. G. Kelch 2006-5-5 06 .131 Contra Costa East Bay: Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. In grassland near seep area. 122 Comment
  RSA0027404  Carex tumulicola Barbara Ertter 1999-7-17 16770 Contra Costa Tilden Regional Park, trail to Jewel Lake paralleling Wildcat Creek, through thick woodland growth. Comment
  UC1050822  Castilleja affinis N. Floy Bracelin 1941-6-1 1350 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  HSC87801  Castilleja affinis Jennifer Roth 1979-4-29 35 Contra Costa Clayton, Russleman Park Rd. off March Creek Rd. Concord Mt. Diablo Trail Ride Association grounds. 335 Comment
  JEPS23818  Castilleja affinis subsp. affinis G. Thomas Robbins 1959-4-18 3990 Contra Costa about 0.25 mi e and above Pt. San Pablo; Richmond 30 Comment
  UC26493  Castilleja affinis subsp. affinis Jos. Burtt Davy 1901-4-21 6924 Contra Costa Wildcat Canyon Comment
  UC400170  Castilleja affinis subsp. affinis Ynes Mexia 1929-4-21 2384 Contra Costa Moraga Valley Comment
  UC2028183  Castilleja affinis subsp. affinis Barbara Ertter 1998-5-3 16068 Contra Costa SE end of Wall Point Road on southwest flank of Mount Diablo. Comment
  JEPS100151  Castilleja attenuata G. Smick 2003-4-8 GAS 125 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS15197  Castilleja attenuata C. M. Belshaw 1936-5-11 2097 Contra Costa 5.25 mi e Danville; Mt. Diablo Quad. 289 Comment
  UC691576  Castilleja attenuata Mary L. Bowerman 1933-5-11 2084 Contra Costa w end Inner Black Hills; Mount Diablo Comment
  CDA41329  Castilleja densiflora subsp. densiflora D. G. Kelch 2003-4-3 3 .372 Contra Costa Carquinez Strait Region; Cummings Skyway. Comment
  UC1481545  Castilleja densiflora subsp. densiflora Neil Havlik 1980-5-14 917 Contra Costa e side Pt. Pinole Regional Shoreline Comment
  CHSC21620  Castilleja exserta Willis Ball 1974-4-21 425 Contra Costa In area #7. Immediately to the w side of Contra Loma Blvd. ca. 400 yds s of the main boat ramp. Contra Loma Regional Park. 45 Comment
  JEPS15212  Castilleja exserta subsp. exserta C. M. Belshaw 1936-5-11 2096 Contra Costa 5.25 mi e Danville; Mt. Diablo 289 Comment
  JEPS65199  Castilleja exserta subsp. exserta L. R. Heckard 1971-4-15 2468 Contra Costa n of Mitchell Creek Park (n base of Mt. Diablo); Mt. Diablo 152 Comment
  UC691566  Castilleja exserta subsp. exserta Mary L. Bowerman 1931-4-4 646 Contra Costa about 1 mi from North Gate, Mount Diablo (North Road); Mount Diablo Comment
  UC2028155  Castilleja exserta subsp. exserta Barbara Ertter 1998-4-4 15956 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UC1377744  Castilleja foliolosa W. J. Dress 1951-3-16 3054 Contra Costa about 1 mi e Berkeley (along Fish Ranch Road) Comment
  UC691574  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1933-5-11 2081 Contra Costa ridge towards w end Inner Black Hills (on s side); Mount Diablo Comment
  SEINET3839756  Castilleja rubicundula subsp. lithospermoides Unknown 1996-4-26 Contra Costa Franklin Canyon Road near the junction with McEwan Road in grassland Comment
  JEPS48749  Castilleja subinclusa subsp. franciscana H. M. Wheeler 1944-1-16 27511 Contra Costa Upper San Leandro Canyon Oakland Hills, Moraga Ridge Comment
  JEPS121057  Castilleja wightii D. G. Kelch 1999-6-23 99001 B Contra Costa Vaca Canyon along Alhambra Valley Road about 1.5 mile East of Pig Sale Comment
  CHSC67903  Caulanthus flavescens James D. Jokerst 1989-3-31 3078 Contra Costa Hillside E of creek in Brushy Creek Canyon. Comment
  CAS-BOT-BC48836  Ceanothus cuneatus Mary L. Bowerman 1932-5-1 1406 Contra Costa Oyster Ridge, outer steep face of Alamo Creek Comment
  CAS-BOT-BC48837  Ceanothus cuneatus Mary L. Bowerman 1932-9-3 1531 Contra Costa Muir Area: Burn (1931) Comment
  UC1071130  Ceanothus cuneatus var. cuneatus R. C. Wilson 1935-2-26 111 Contra Costa 1 mi sw Somersville; Mt. Diablo quad 365 Comment
  UC692588  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1935-5-30 3084 Contra Costa By Donner Canyon stream 161 Comment
  CDA43453  Cenchrus longispinus Sinz & Brumfield 2015-9-18 PDR# 070 P06223639 Contra Costa Oakley; 514 Christy Street. 0 Comment
  JEPS75545  Centaurea calcitrapa P. F. Yorks 1975-6-21 457 Contra Costa on Hampton Road (ca. 1.6 mi s of Bear Creek Road in Hampton Road Natural Reserve, n of Briones Reservoir); Briones Reservoir, Hampton Road Natural Reserve 180 Comment
  JEPS75544  Centaurea solstitialis P. F. Yorks 1974-8-10 362 Contra Costa ca 1.8 km s of Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Perserve, Briones Reservoir 200 Comment
  UC2027958  Centaurea solstitialis Barbara Ertter with Joanne Kerbavaz 2000-8-20 17495 Contra Costa South side Mount Diablo, ca halfway up South Gate Road. Comment
  CDA36467  Centaurium tenuiflorum Ed Swan 2011-8-18 PDR# 1641228 Contra Costa Orinda; Bear Creek Road near Fire Trail 43-4. 0 Comment
  CAS-BOT-BC288540  Centromadia fitchii John Thomas Howell 1930-9-28 5497 Contra Costa 6.3 miles from Byron on the Marsh Creek Rd Comment
  CAS-BOT-BC288547  Centromadia fitchii Mary L. Bowerman 1936-9-17 3548 Contra Costa Mount Diablo. North Rd 2.5 miles from North Gate: at roadside, slightly lower down, extending down the bank into grassland 243 Comment
  CAS-BOT-BC288548  Centromadia fitchii Mary L. Bowerman 1936-9-17 3548 Contra Costa Mount Diablo. North Rd 2.5 miles from North Gate: at roadside, slightly lower down, extending down the bank into grassland 243 Comment
  UC2029135  Centromadia fitchii Barbara Ertter 2004-9-17 18497 Contra Costa Lime Ridge Open Space in Concord, segment southeast of Treat Boulevard, south of Kingwood Drive. Comment
  CAS-BOT-BC288872  Centromadia parryi subsp. congdonii J McMurphy 1909-9-24 s.n. Contra Costa San Ramon Comment
  UC1777686  Centromadia parryi subsp. congdonii R. E. Preston 1998-10-25 1198 Contra Costa junction of Sycamore Valley Rd and Camino Tassajara Danville 129 Comment
  UC523550  Centromadia parryi subsp. congdonii David D. Keck 1933-11-2 2610 Contra Costa Crow Creek Canyon Road 1/2 mi from turnoff San Ramon Comment
  CAS-BOT-BC279205  Centromadia pungens subsp. pungens John Thomas Howell 1930-9-28 5489 Contra Costa 2 miles from Concord on road to Walnut Creek Comment
  CAS-BOT-BC279184  Centromadia pungens subsp. pungens H. M. Hall 1930-8-7 12847 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC279189  Centromadia pungens subsp. pungens David D. Keck 1933-11-2 2617 Contra Costa 2.4 mi. E. of Antioch on road to Oakley, N. Contra Costa County Comment
  CAS-BOT-BC222901  Cephalanthus occidentalis Walter Knight; Joanne Dean 1978-8-14 s.n. Contra Costa Browns Island Comment
  JEPS51352  Cerastium glomeratum W. L. Jepson 1922-4-16 9600 Contra Costa San Pablo Comment
  JEPS45531  Cercocarpus betuloides var. betuloides W. L. Jepson 1920-9-6 9083 Contra Costa Mount Diablo Comment
  JEPS103081  Cestrum parqui Marck Menke 1998-12-25 30 Contra Costa S of Martinez (along upper Alhambra Creek beside Alhambra Creek Trail); Briones Regional Park Comment
  CDA35253  Chamaesyce ocellata H. R. VanBrocklin 1958-8-6 1000 Contra Costa County Road, about half-way up north side of Mt. Diablo. 0 Comment
  CDA4775  Chamaesyce serpens D. G. Kelch, A. G. Murdock 2005-6-24 5 .38 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett, CA. Comment
  UC1606334  Chamaesyce serpyllifolia Barbara Ertter, Brad Olson 1991-9-28 10830 Contra Costa betw Orinda and El Sobrante San Pablo Reservoir (s end of reservoir) Comment
  RSA685735  Cheilanthes covillei Mark Morris 1929-03 14910 Contra Costa Mt. Diablo. Comment
  CHSC23348  Chenopodium album Willis Ball 1975-6-1 532 Contra Costa Contra Loma Regional Park. In area #11. On n side of road ca. 200 yds e of main entrance to park. 60 Comment
  UC691917  Chenopodium berlandieri Mary L. Bowerman 1932-9-3 1537 Contra Costa roadside just below Meridian Peak summit; Mount Diablo Comment
  JEPS57664  Chorizanthe membranacea W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mount Diablo Comment
  UCSB27372  Chrysolepis chrysophylla Havlik, Neil 1969-7-18 Contra Costa About one-half mile from Skyline Blvd. on the Huckleberry Trail, Oakland Hills 396 Comment
  JEPS116859  Cicendia quadrangularis David Gowen 2007-4-13 671 Contra Costa Diablo Foothills, west of the grassy field at Castle Rock Recreation Area. Comment
  UC1789151  Cinnamomum camphora Barbara Ertter 2001-5-26 17653 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, two young individuals at base of river bank. Comment
  UC71900  Cirsium brevistylum W. A. Setchell 1897-3-21 Contra Costa Wild Cat Canon Comment
  CDA19886  Cirsium cymosum J. Vargas 2002-6-4 PDR P 099530 Contra Costa Northern California; Sin. loc. 0 Comment
  RSA0070597  Cirsium cymosum C. M. Belshaw 1936-5-7 2050 Contra Costa 2 miles north of Danville 244 Comment
  UC2028393  Cirsium cymosum Barbara Ertter with Richard K. Brummitt 1998-5-13 16135 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, west side of ridge in Lougher Loop Trail, S-facing grassy slope Comment
  UC1119189  Cirsium cymosum var. cymosum C. M. Belshaw 1936-5-7 2050 Contra Costa 2 mi n of Danville; Mt. Diablo Quadrangle 243 Comment
  RSA770014  Cirsium occidentale David J. Keil, Barbara Ertter, et al. 2000-6-18 28815 A Contra Costa Mount Diablo State Park. Lower part of Jumper Trail above Laurel Dell picnic area 915 Comment
  UC691381  Cirsium occidentale var. californicum Mary L. Bowerman 1935-5-16 3015 Contra Costa e side of North Peak (behind Gabriel-Hinks'); Mount Diablo, North Peak 289 Comment
  CAS-BOT-BC288044  Cirsium occidentale var. venustum Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  JEPS59174  Cirsium occidentale var. venustum W. L. Jepson 1922-5-23 9655 Contra Costa s slope, upper third of mt. Mt. Diablo Comment
  JEPS59175  Cirsium occidentale var. venustum W. L. Jepson 1919-6-8 8327 Contra Costa Mt. Diablo Comment
  UC1119194  Cirsium vulgare H. S. Yates 1934-9-2 4077 Contra Costa Wildcat Creek Concord Quad., Wildcat Creek 304 Comment
  UC1782176  Citrullus colocynthis var. lanatus Rudolf Schmid 2003-9-13 2003 -15 Contra Costa vacant lot, 24 Edwin Dr., Kensington 169 Comment
  UC692501  Clarkia affinis Mary L. Bowerman 1933-5-18 2123 Contra Costa Blackberry Spring Mount Diablo Comment
  UC2028174  Clarkia affinis Barbara Ertter 1998-5-3 16048 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  UC2070449  Clarkia affinis Barbara Ertter with Steve Matson 2003-5-31 18179 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, Coal Canyon. Comment
  UCD35144  Clarkia affinis Beecher Crampton 1950-4-2 524 Contra Costa Contra Costa CountyL Site of Judsonville. Comment
  UC1071958  Clarkia biloba H. and M. Lewis 1947-6-15 442 Contra Costa 2.7 mi n Martinez City Limits (Martinez-Port Costa Road) Comment
  UC169380  Clarkia biloba Katharine Brandegee June 1905 Contra Costa Port Costa Comment
  UC306514  Clarkia biloba A. D. E. Elmer May, 1903 4319 Contra Costa Mount Diablo Comment
  UC692438  Clarkia biloba Mary L. Bowerman 1930-6-22 355 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC85545  Clarkia biloba Katharine Brandegee 1907-7-4 Contra Costa banks between Martinez and Port Costa Comment
  JEPS111565  Clarkia biloba subsp. biloba D. G. Kelch 2000-5-22 00 .142 Contra Costa Crockett - Eckley North-facing railroad cuts west of Bull Valley Staging Area 7 Comment
  LA106651  Clarkia biloba subsp. biloba W. L. Jepson; 1918-6-3 7585 Contra Costa Donner Canyon, Mount Diablo 685 Comment
  CAS-BOT-BC164157  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo Comment
  JEPS111558  Clarkia concinna subsp. concinna A. G. Murdock 2003-6-24 117 Contra Costa Vaca Canyon Alhambra Valley Road on south bank 165 Comment
  UC1952185 Image available Clarkia concinna subsp. concinna R. Raiche 1981-3-1 s.n. Contra Costa North America, U.S.A., California, Contra Costa County: Mt. Diablo. N. Slope of N. peak in talus slopes below the ridge line. Under Quercus spp., Juniperus californica, Cercocarpus betuloides & Pelea baldwinii. Comment
  UC692490  Clarkia gracilis subsp. gracilis Mary L. Bowerman 1942-5-24 3840 Contra Costa w slope Deer Ridge (Jim White Trail to Deer Flat); Mount Diablo 853 Comment
  CAS-BOT-BC172036  Clarkia gracilis subsp. gracilis Mary L. Bowerman 1931-5-16 858 Contra Costa Grassy area on rocky west flank of Ransom Point Ridge, summit of Mount Diablo Comment
  UC2028301  Clarkia gracilis subsp. gracilis Barbara Ertter, Susan D'Alcamo 1998-6-12 16190 Contra Costa North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit. Comment
  UCSC008679  Clarkia purpurea subsp. purpurea Randall Morgan 1999-6-7 3535 B Contra Costa Byron Comment
  CAS-BOT-BC163665  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-16 855 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC163675  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1926-4-30 1358 Contra Costa Mt. Diablo 548 Comment
  CDA31204  Clarkia purpurea subsp. quadrivulnera D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .221 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC692488  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1933-6-7 2252 Contra Costa saddle between Meridian Peak and North Peak; Mount Diablo Comment
  CAS-BOT-BC163666  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-4-25 760 Contra Costa Mount Diablo. Above junction of North and South Roads Comment
  CAS-BOT-BC163676  Clarkia purpurea subsp. quadrivulnera L. R. Abrams 1922-5-25 8040 Contra Costa At spring 4 1/2 mi from Summit, Mt. Diablo Comment
  CAS-BOT-BC165038  Clarkia rubicunda Peter H. Raven 1957-6-20 10950 Contra Costa Hillside at Inspiration Point, east end of Tilden Regional Park 365 Comment
  UC1196998  Clarkia rubicunda Joseph P. Tracy 1935-7-6 14039 Contra Costa Moraga 152 Comment
  UC1279946  Clarkia rubicunda Peter H. Raven 1957-7-5 11050 Contra Costa ne side of hills Point Richmond 106 Comment
  UC1481547  Clarkia rubicunda Neil Havlik 1980-6-6 942 Contra Costa Several colonies on Brooks Island Comment
  UC1618334  Clarkia rubicunda Barbara Ertter, Brad Olson 1993-8-8 12204 Contra Costa s.w. San Ramon (Bishop Ranch Regional Open Space); Bishop Ranch Regional Open Space Comment
  CAS-BOT-BC165037  Clarkia rubicunda Peter H. Raven 1957-7-5 11049 Contra Costa 0.2 mile from tip of Point Richmond Comment
  CAS-BOT-BC165448  Clarkia unguiculata K. Brandegee s.n. Contra Costa Antioch Comment
  UC7934  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-12 1082 Contra Costa Mt. Diablo Comment
  UC7935  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-7 1059 Contra Costa Summit of Mt. Diablo; Mt. Diablo Comment
  CAS-BOT-BC439169  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-12 1082 Contra Costa Monte [Mount] Diablo Comment
  CAS-BOT-BC439174  Claytonia exigua subsp. exigua C. F. Baker 1903-4-28 2816 Contra Costa Mitchell's canon [Mitchell Canyon], Mt. Diablo Comment
  UC2028068  Claytonia exigua subsp. exigua Barbara Ertter, Tony Morosco 1998-4-12 16006 Contra Costa Mount Olympia on north side of Mount Diablo, below false summit on East Trail. Comment
  UC83787  Claytonia gypsophiloides C. F. Baker 1903-4-28 2817 Contra Costa Mitchell's Canyon; Mt. Diablo Comment
  UC2028064  Claytonia gypsophiloides Barbara Ertter with Tony Morosco 1998-4-12 16010 Contra Costa Mount Olympia on north side of Mount Diablo, East Trail along ridge NE of summit. Comment
  UC2062631  Claytonia parviflora subsp. parviflora Barbara Ertter with David Gowen, Mike Park 2004-4-13 18353 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, S of Somersville townsite, Chaparral Loop Trail just across footbridge from Manhattan Trail cut-off. Comment
  CAS-BOT-BC439435  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1933-5-3 1966 Contra Costa Mount Diablo. Mountain Springs Canyon, just below the deer trough (Pioneer Road) Comment
  UC725855  Claytonia perfoliata subsp. perfoliata A. A. Heller 1908-4-17 8909 Contra Costa Tracy 10 Comment
  CAS-BOT-BC440073  Claytonia perfoliata subsp. perfoliata Mary L. Bowerman 1932-3-6 1099 Contra Costa Mount Diablo. Sycamore Ridge Comment
  SEINET5336417  Claytonia perfoliata subsp. perfoliata C. M. Fryer 1948-4-11 6 Contra Costa In shady soptes, Mt. Diablo. Comment
  UCD100829  Claytonia perfoliata subsp. perfoliata Robert L. Rudd 1947-3-24 23 Contra Costa Picnic Ground, Wildcat Canyon. Comment
  CAS-BOT-BC91361  Clematis lasiantha Alice Eastwood 1915-5-30 4552 Contra Costa Mount Diablo. Comment
  UC136298  Clematis lasiantha C. F. Baker 1903-4-28 2946 Contra Costa Mt. Diablo, Mitchells Canyon Comment
  UC635101  Clematis lasiantha A. E. Borell 1928-4-8 90 Contra Costa Mt. Diablo Comment
  UC692071  Clematis lasiantha Mary L. Bowerman 1930-6-7 272 Contra Costa Meridian Peak summit Mt. Diablo Comment
  UC692099  Clematis lasiantha Mary L. Bowerman 1931-5-16 856 Contra Costa Meridian Peak summit Mt. Diablo Comment
  JEPS120287  Clinopodium vulgare Barbara Ertter with David Gowen 2012-9-20 21018 Contra Costa lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills, ca. midway along trail, wide spot in shade of bay and pine (same location as 20919) Comment
  UCSC006802  Collinsia Randall Morgan 1988-4-29 1151 Contra Costa Scree at NW slope of Twin Peaks, Mt. Diablo Comment
  UC1733835  Collinsia heterophylla Kay H. Beach 1941-4-30 1079 Contra Costa 5 mi W of Byron; Marsh Creek Road 30 Comment
  UC691495  Collinsia heterophylla Mary L. Bowerman 1935-3-16 2739 Contra Costa Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 262 Comment
  UC26589  Collinsia heterophylla Ivar Tiderstrom vi, 1895 Contra Costa Edwards Canyon, near Crockett Comment
  POM194561  Collinsia sparsiflora Y. Mexia 1929-4-21 2376 Contra Costa Moraga Valley. Comment
  UC691585  Collinsia sparsiflora var. collina Mary L. Bowerman 1933-4-9 1836 Contra Costa w fork Donner Canyon Mount Diablo (Mount Diablo) 243 Comment
  JEPS18380  Collinsia sparsiflora var. collina Rimo Bacigalupi with F. Chisaki 1957-3-27 5764 Contra Costa 1 mi se Byron (on Byron Hwy) Comment
  UC691583  Collinsia sparsiflora var. collina Mary L. Bowerman 1932-3-6 1101 Contra Costa Sycamore Canyon near mouth Sycamore Canyon, Mount Diablo; Mount Diablo Comment
  UC1612419  Collinsia tinctoria R. Raiche 1982-6-19 20460 Contra Costa Mt. Diablo Comment
  UC691559  Collinsia tinctoria Mary L. Bowerman 1935-5-30 3090 Contra Costa Mount Diablo, Eagle Point Ridge, Rock slide, Bay-10 ft to e Eagle Point Ridge; Mount Diablo, Eagle Point Ridge 350 Comment
  UC691587  Collinsia tinctoria Mary L. Bowerman 1930-6-7 271 Contra Costa Summit of Mount Diablo Comment
  UC2028981  Collinsia tinctoria Barbara Ertter 2000-5-14 17017 Contra Costa Donner Basin on north side of Mount Diablo, upper end of Falls Trail near junction of Cardinet Oaks Road. Comment
  UCD118040  Collomia diversifolia Ann F. Johnson 1978-5-13 s.n. Contra Costa From Deerflat to Meridian ridge, on Mt. Diablo. Comment
  UCSB12513  Conium maculatum Grah, Nancy 1962-4-14 Contra Costa 0.1 mile on Tappan Lane morth of Tarry Lane, Orinda Comment
  UCD126203  Convolvulus arvensis P. B. Kennedy 1926-8-22 s.n. Contra Costa Sunset View Country. Comment
  UC2036956  Conyza bonariensis Mary L. Bowerman 1946-2-10 4082 Contra Costa Near C.C.C. Camp, Dan Cook Canyon, Mt. Diablo. Comment
  CAS-BOT-BC286022  Conyza canadensis Walter Knight; Irja Knight 1978-8-14 3116 Contra Costa Browns Island Comment
  JEPS111731  Conyza canadensis D. G. Kelch 2004-9-2 04 .331 Contra Costa Pacheco Marsh east of Martinez and I-680 and east of lone tree Marsh 5 Comment
  UC1584663  Conyza canadensis Jerry Powell 1990-8-29 1586 Contra Costa Antioch National Wildlife Refuge Comment
  UC691785  Conyza canadensis Mary L. Bowerman 1930-10-4 477 Contra Costa Maple Spring Mount Diablo, Maple Spring Comment
  JEPS78633  Cordylanthus mollis subsp. mollis Walter Knight and Neal Havlik 1979-10-7 3415 Contra Costa in marsh along tidal inlet Point Pinole Regional Shoreline (e end of shoreline) Comment
  CDA42363  Cordylanthus pilosus subsp. pilosus D. G. Kelch, Vince Guise 2012-7-26 12 .23 Contra Costa Carquinez Strait.; Martinez. Summit of Shady Glen Rd on sandstone outcrop. Comment
  CAS-BOT-BC287145  Coreopsis stillmanii Brandegee No date on label s.n. Contra Costa Mt Diablo Comment
  CAS-BOT-BC287146  Coreopsis stillmanii A. Kellogg; W. G. W. Harford 1969-4-8 439 Contra Costa Antioch Comment
  CAS-BOT-BC209751  Cornus glabrata Mary L. Bowerman 1935-6-21 3150 Contra Costa Mount Diablo. Arroyo del Cerro, east fork 243 Comment
  CAS-BOT-BC209589  Cornus sericea H. E. McMinn 1922-5-30 34 Contra Costa By Pinehurst Resort in Large Redwood Canyon Comment
  UC407389  Coronopus didymus Ira L. Wiggins 1930-4-18 4595 Contra Costa e end of Jersey Island, Fallow cornfield Jersey Island Comment
  UCD59798  Cortaderia jubata Beecher Crampton 1959-9-3 5456 Contra Costa Along San Pablo Dam road, ca. 2 miles southeast of El Sobrante. Comment
  SD86681  Corylus cornuta var. californica Helen V. Witham 1972-5-10 1739 Contra Costa Oakland, Huckleberry Trail Comment
  UC1622290  Cotoneaster pannosus Barbara Ertter 1997-1-5 15431 Contra Costa at Lime Ridge between Walnut Creek and Clayton (Ygnacio Valley Road); Lime Ridge, Ygnacio Valley Road Comment
  CHSC23342  Cotula coronopifolia Willis Ball 1975-3-26 508 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds. e of restroom facilities. 30 Comment
  JEPS111528  Cotula coronopifolia D. G. Kelch 2005-5-5 05 .212b Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  JEPS99543  Crassula aquatica Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Chase Pond. Comment
  UC2028453  Crassula aquatica Barbara Ertter with Joanne Kerbavaz 2000-8-20 17506 Contra Costa Hidden Pond on south side of Mount Diablo Comment
  CHSC21629  Crassula connata Willis Ball 1975-4-19 521 Contra Costa In area #8 ca. 450 yds s of main parking lot ca. 750 yds w of Conta Loma Blvd. Contra Costa Regional Park. 76 Comment
  JEPS111821  Crassula connata A. G. Murdock 2004-3-19 218 Contra Costa Luzon Sycamore Ave. just east of Rodeo/Hercules where train crosses Highway 4 60 Comment
  UC1561257  Crassula connata Barbara Ertter with John Little 1989-4-2 8110 Contra Costa s. side Hillside Park in El Cerrito Comment
  JEPS25357  Crassula solieri Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6968 Contra Costa 1 mi. s.e. Byron (fields e. of <Bryon> rd.) 6 Comment
  CAS-BOT-BC427924  Crassula solieri Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC765094  Croton californicus R. F. Hoover 1937-5-14 2113 Contra Costa Antioch sand-dunes Comment
  POM194216  Croton californicus J. T. Howell 1926-12-27 2273 Contra Costa 1.5 miles s. of Oakley. Comment
  UCD77574  Croton californicus Robert E. Preston 1999-10-19 1249 Contra Costa Along W side of Bethel Island Rd, about 0.3-0.9 mi N of Cypress Rd, 5.4 mi E of Oakley. 6 Comment
  UCR254745  Crypsis schoenoides Peter Rubtzoff 1968-9-18 5964 Contra Costa North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance 58 Comment
  CAS-BOT-BC190079  Crypsis schoenoides Walter Knight 1977-7-20 s.n. Contra Costa On Briones Ridge, Briones Regional Park. 304 Comment
  UC2027935  Crypsis schoenoides Barbara Ertter with Chris Thayer 1996-10-25 15376 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below Junction near Mineral Spring. Comment
  RSA0028852  Crypsis vaginiflora Barbara Ertter, Richard K. Rabeler, Tony Morosco 1997-6-10 15659 Contra Costa North base of Mount Diablo, pond on Three Springs Road. Comment
  UC79469  Cryptantha microstachys Katharine Brandegee Apr 1889 Contra Costa Antioch Comment
  UC691346  Cryptantha muricata Mary L. Bowerman 1933-5-2 1938 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  JEPS108227  Cryptantha nevadensis David Gowen 2005-5-6 283 Contra Costa Mt. Diablo State Park. Rocky outcrops on the south side of North Peak. Comment
  UC691391  Cryptantha nevadensis var. rigida Mary L. Bowerman 1942-5-24 3841 Contra Costa Mount Diablo; Jim White Trail, W slope of Deer Ridge 853 Comment
  UC1795800  Cryptantha torreyana Barbara Ertter, Mary L. Bowerman 1994-6-19 12846 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, opening on North side, 1127 Comment
  UC691344  Cryptantha torreyana Mary L. Bowerman 1933-6-3 2245 Contra Costa on area that was burned in 1931. Exposure north Comment
  RSA721362  Cryptantha torreyana var. pumila Barbara Ertter, Mary L. Bowerman 1994-6-19 12846 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking lot, opening on north side. 1128 Comment
  OBI14811  Cuscuta californica Robert F. Hoover 1969-8-29 11565 Contra Costa Raymond Rd and Ames St, Livermore Valley Comment
  RSA39871  Cuscuta californica P. A. Munz 1937-10-8 12200 Contra Costa near Antioch 8 Comment
  CDA41311  Cuscuta japonica R. Fonseca 2006-12-12 PDR 1373709 Contra Costa San Francisco Bay Area; 654 Marlesta Rd, Pinole. Sheet 2 of 2. 0 Comment
  JEPS75511  Cuscuta subinclusa P. F. Yorks 1975-7-31 481 Contra Costa ca 1.6 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  UC691904  Cuscuta subinclusa Mary L. Bowerman 1932-9-17 1587 Contra Costa Donner Canyon, w fork toward mouth Mount Diablo Comment
  CDA4534  Cynara cardunculus T. C. Fuller 1957-10-2 399 -57 Contra Costa Antioch. 0 Comment
  CAS-BOT-BC299744  Cynara cardunculus John Thomas Howell 1953-3-15 28922 Contra Costa Danville Comment
  UCD131027  Cynara cardunculus W. A. Harvey; June McCaskill 1962-3-15 s.n. Contra Costa on Standard Oil tank farm west of U.S. Highway 40 and north of Richmond. Comment
  JEPS99524  Cynodon dactylon Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  JEPS100074  Cynoglossum grande S. O'Neil 2003-2-25 SEO 6 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC615167  Cynoglossum grande Beryl O. Schreiber 1932-2-27 27 Contra Costa Redwood Canyon Comment
  UCSB24742  Cynoglossum grande Rieser, R. 1966-4-2 Contra Costa 100 ft. north of Eagles Point, Sleepy Hollow, Orinda 396 Comment
  UC1819037  Cynosurus echinatus Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14245 Contra Costa South side Mount Diablo, Sloan Road between Curry Point and Curry Canyon, roadside in partial shade of oak forest on north-facing slope. 487 Comment
  UC2028466  Cynosurus echinatus Barbara Ertter 1997-8-24 15769 Contra Costa Southwest side of Mount Diablo, Rock City area Comment
  UC1563866  Cyperus eragrostis Barbara Ertter 1989-9-30 8864 Contra Costa e. El Cerrito (ca. 1 1/4 mi. n.w. of Inspiration Point, E. Bay Skyline Nat'l Recreation Trail (= Nimitz Way), Tilden Regional Park); Tilden Regional Park Comment
  UC2013054  Cyperus eragrostis Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14919 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UCD150887  Cyperus esculentus James A. Neilson Jr. 1972-11-2 3615 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  CDA42439  Cystopteris fragilis D. G. Kelch, Daniel Weinstein 2013-2-23 13 .013 Contra Costa Carquinez Strait; Muir Land Trust Property at Fernandez Ranch; SW Christie Rd. Comment
  CAS-BOT-BC198197  Cytisus striatus R. Leen 1986-7-10 s.n. Contra Costa Alvarado Canyon, East Bay Regional Park Comment
  JEPS21826  Danthonia californica Louise Elsenius 1958-5-17 6 Contra Costa ne Terrace-Bates intersection; El Cerrito 60 Comment
  UCD36025  Deinandra corymbosa Beecher Crampton 1949-6-5 470 Contra Costa along Highway 40, Pinole to San Pablo, above Garrity Creek, on top of West Hills. 30 Comment
  CAS-BOT-BC294017  Deinandra kelloggii Peter Rubtzoff 1951-10-7 s.n. Contra Costa Along lower San Joaquin River, east of Antioch Comment
  CAS-BOT-BC294018  Deinandra kelloggii Mrs. Curran 1883-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC294024  Deinandra kelloggii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UC88925  Deinandra kelloggii K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UCD131076  Deinandra kelloggii Ann F. Johnson 1978-7-1 AN- 43 Contra Costa tall tarweed in dry grassy area near west PG and E tower, Antioch Dunes. Comment
  JEPS111706  Deinandra lobbii D. G. Kelch 2004-5-7 04 .178 Contra Costa Ca ada del Cierbo Ca ada del Cierbo 40 Comment
  JEPS105695  Deinandra lobbii David Gowen 2004-5-29 101 Contra Costa Lime Ridge Open Space. Summit area just south of the antenna facility. Comment
  UC691948  Delphinium californicum Mary L. Bowerman 1935-5-30 3091 Contra Costa rock slide Mount Diablo, Eagle Point Ridge 350 Comment
  UC72893  Delphinium californicum subsp. interius Milo S. Baker 1904-6-23 Contra Costa Mt. Diablo Comment
  SEINET12086747  Delphinium hesperium J. T. Howell 1931-1 6482 Contra Costa North Side of Mt. Diablo Comment
  CAS-BOT-BC10015  Delphinium hesperium subsp. pallescens John Thomas Howell 1931-5-12 6482 Contra Costa North side of Mt. Diablo Comment
  LA38169  Delphinium hesperium subsp. pallescens Lewis; Mehlquist 455 Contra Costa Just E of the Antioch Golf Couse Comment
  UC691950  Delphinium nudicaule Mary L. Bowerman 1933-6-14 2284 Contra Costa bottom of second gully w north spur; Mount Diablo, Inner Black Hills Comment
  RSA398660  Delphinium nudicaule John Doyen, Glenn A. Gorelick 1966-4-22 s.n. Contra Costa Russelman Park, Mt. Diablo State Park. 305 Comment
  CAS-BOT-BC116454  Delphinium patens subsp. patens H. L. Mason 1928-4-29 4440 Contra Costa Sycamore Canyon, south slope of Mount Diablo Comment
  POM270661  Delphinium patens subsp. patens Lyman Benson 1935-3-16 62655 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC692089  Delphinium patens subsp. patens Mary L. Bowerman 1935-4-22 2896 Contra Costa ridge w Pioneer Road (w of Old Stage Road); Mount Diablo 822 Comment
  CAS-BOT-BC116459  Delphinium patens subsp. patens Miss Mary Leolin Bowerman 1931-3-21 584 Contra Costa Sycamore Canyon, below chaparral on west facing slope Comment
  UC2027926  Delphinium patens subsp. patens Barbara Ertter with Linda Vorobik 2001-3-24 17571 Contra Costa Lime Ridge Open Space east of Walnut Creek, eastern edge overlooking Crystal Springs subdivision. Comment
  POM150573  Delphinium recurvatum C. F. Baker 1903-4-27 s.n. Contra Costa Byron. Comment
Read comments Oct 4 2007
  CAS-BOT-BC192678  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi S. of Byron Comment
  UCD62510  Deschampsia danthonioides P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC192677  Deschampsia danthonioides Mary L. Bowerman 1935-6-28 3164 Contra Costa Chase Pond 548 Comment
  RSA0029050  Deschampsia elongata Barbara Ertter 1999-6-12 16710 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek. 396 Comment
  JEPS9568  Dicentra chrysantha W. L. Jepson 1920-8-12 9076 Contra Costa s slope towards summit Mt. Diablo Comment
  UC692101  Dicentra chrysantha Mary L. Bowerman 1932-9-3 1529 Contra Costa Muir Area; Mount Diablo Comment
  POM272496  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 Contra Costa Halfway up road, Mt. Diablo Comment
  CDA39457  Dichelostemma capitatum D. G. Kelch 2007-3-24 7 .092 Contra Costa Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry. Comment
  CAS-BOT-BC500075  Dichelostemma capitatum Barrett Anderson 1987-4-30 3503 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole Dam site for EBMUD. 125 Comment
  CAS-BOT-BC500087  Dichelostemma capitatum James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC500088  Dichelostemma capitatum Miss E. Cannon 1891-5-1 s.n. Contra Costa Orinda Park Comment
  JEPS100059  Dichelostemma congestum G. Smick 2003-5-8 GAS 69 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC502555  Dichelostemma congestum John Thomas Howell 1933-5-14 11258 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC500922  Dichelostemma volubile W. R. Dudley 1893-1-1 s.n. Contra Costa Mount Diablo Comment
  JEPS121009  Digitaria sanguinalis D. G. Kelch 2006-9-6 06 .469 Contra Costa Elkhorn Creek, E of Crockett Comment
  CAS-BOT-BC150326  Diplacus aurantiacus Alice Eastwood 1915-6-21 4737 Contra Costa San Leandro Comment
  RSA697529  Dipsacus fullonum J. Vlahos 1934-8-1 s.n. Contra Costa Contra Costa County Hills. Comment
  UC1084426  Dirca occidentalis G. Thomas Robbins 1940-3-10 274 Contra Costa n slope Grizzly Peak; Berkeley Hills Comment
  UCR143109  Dirca occidentalis L. S. Rose 1948-3-9 48011 Contra Costa San Francisco Bay Region, head of Wildcat Canyon, Berkeley hills 457 Comment
Read comments Feb 14 2006
  UCSB25834  Dirca occidentalis Keefe, Joseph 1967-3-20 Contra Costa Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley 274 Comment
  CDA31689  Distichlis spicata A. A. Beetle 1941-6-24 1752 Contra Costa Point Richmond on San Francisco Bay 0 Comment
  RSA0028902  Distichlis spicata Barbara Ertter, Dan Norris 1999-11-14 16851 Contra Costa Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite. Comment
  UC673501  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1929-3-15 5056 Contra Costa summit of hill e Nortonville; e of Nortonville Comment
  UC765525  Dodecatheon clevelandii subsp. patulum R. F. Hoover 1938-3-5 2815 Contra Costa mouth of Kirker Creek Canyon Comment
  RSA6497  Dodecatheon clevelandii subsp. patulum D. D. Keck 1933-4-2 1997 Contra Costa Vasco Rd., south of Vasco School. Comment
  JEPS112045  Dodecatheon hendersonii D. G. Kelch 2003-3-21 03 .52 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  SBBG5600  Dodecatheon hendersonii J. M. Tucker 1946-3-24 1387 Contra Costa hills between Nortonville and Somersville Comment
  UC1111024  Dodecatheon hendersonii Herbert L. Mason 1926-3-7 2700 Contra Costa Mt. Diablo Comment
  UC673401  Dodecatheon hendersonii Herbert L. Mason 1929-3-15 5047 Contra Costa s Nortonville; s of Nortonville Comment
  RSA461371  Dodecatheon hendersonii J. T. Howell 1931-3-10 5756 Contra Costa East side of Mt. Diablo 7 miles from Clayton on Livermore road. Comment
  UC1046584  Dodecatheon hendersonii Alex D. Hawkes and R. Bacigalupi 1951-4-22 4777 Contra Costa State Rd. #4 near Mt. Diablo (along Marsh Creek); , near Mt. Diablo Comment
  POM203314  Dodecatheon hendersonii subsp. cruciatum J. T. Howell 1931-3-10 5756 Contra Costa East side of Mt. Diablo 7 miles from Clayton on Livermore road. Comment
  RSA436115  Downingia bacigalupii Thekla Mohr 1917-06 3163 Contra Costa Mt. Diablo. Comment
Read comments Jan 8 2013
  JEPS18331  Downingia insignis Lewis S. Rose 1936-4-24 36154 Contra Costa 8 mi s Antioch 30 Comment
  POM148045  Downingia insignis Alice Eastwood 1939-5-19 14444 Contra Costa Byron Springs. Comment
  UC1026379  Downingia insignis John Thomas Howell 1953-4-26 28935 Contra Costa between Byron and Byron Hot Springs Comment
  UC1051468  Downingia insignis Herbert L. Mason 1952-4-14 14267 Contra Costa 3.5 mi s Byron Comment
  UC1188738  Downingia insignis John H. Weiler 1961-4-9 6174 Contra Costa 3 mi w Byron (on the w side of the road) Comment
  UC1189259  Downingia insignis John R. Swanson 1958-4-15 236 Contra Costa 3 mi s Byron (at junction of Holey road) Comment
  RSA436120  Downingia insignis L. S. Rose 1936-4-24 36154 Contra Costa 8 miles S of Antioch. 30 Comment
  UC1733838  Downingia insignis Kay H. Beach 1941-4-30 1082 Contra Costa 7 Comment
Read comments Feb 4 2013
  JEPS22441  Downingia pulchella Margaret Mallory 1958-5-3 51 Contra Costa West Sherman Acres 15 Comment
  CAS-BOT-BC41652  Draba cuneifolia var. cuneifolia Walter Knight; Irja Knight 1968-3-18 2278 Contra Costa Charles Lee Tilden Regional Park. In the Botanic garden. Comment
  CAS-BOT-BC159644  Drymocallis glandulosa var. glandulosa Mary L. Bowerman 1938-6-14 3679 Contra Costa Canyon Nook, one foot above stream - Mount Diablo Comment
  CAS-BOT-BC70864  Dryopteris arguta Mary L. Bowerman 1930-6-18 342 Contra Costa Dan Cook Canyon Comment
  JEPS100162  Dryopteris arguta A. Langston 2003-6-19 AL 50 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111936  Dryopteris arguta D. G. Kelch 2005-5-1 05 .190 Contra Costa Crockett - Edwards Canyon 150 Comment
  JEPS49893  Dudleya cymosa subsp. paniculata W. L. Jepson 1918-6-5 7604 Contra Costa North Peak Mount Diablo Comment
  UC830948  Dudleya cymosa subsp. paniculata Alice Eastwood 1915-5-30 Contra Costa near type locality; Mount Diablo Comment
  UC2028504  Echinochloa colona Barbara Ertter with Mary Bowerman, Lisa Schultheis 1998-8-21 16403 Contra Costa North Gate Road on west side of Mount Diablo, 0.7 miles below Diablo Ranch Comment
  UC2028446  Echinochloa crus-galli Barbara Ertter with Chris Thayer 1996-10-25 15378 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below junction, near Mineral Spring Comment
  UCD37369  Echinochloa crus-pavonis Beecher Crampton 1959-9-3 5451 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project. Comment
  CAS-BOT-BC197225  Echinochloa crus-pavonis Walter Knight; Irja Knight 1977-7-28 3149 Contra Costa Black Diamond Coal Mines Regional Preserve. Somersville Townsite Comment
  CAS-BOT-BC197226  Echinochloa crus-pavonis Mary L. Bowerman 1936-10-24 3582 Contra Costa Mount Diablo. North Road below 2-story house east of North Gate 121 Comment
  UC692401  Echinochloa crus-pavonis Mary L. Bowerman 1936-10-24 3582 Contra Costa N road below 2-story house E of N gate North Gate (roadside) Comment
  SEINET3407559 Image available Echinocystis fabacea Lewis S. Rose 1933-3-10 33010 Contra Costa Marsh Creek Comment
  UC2032845  Echium candicans Doran, Andrew Scott 2012-3-20 716 Contra Costa South part of Brooks Island, old quarry near gravel conveyer belt and grind house. Comment
  RSA756015  Eichhornia crassipes Barbara Ertter 1990-9-16 9642 Contra Costa Junction of Cypress Road and Jersey Island Road east of Oakley. Comment
  UC702897  Elaeagnus angustifolia Dr. E. C. Van Dyke 1941-10-4 Contra Costa River e of Antioch Comment
  UC1606335  Elatine brachysperma Barbara Ertter, Brad Olson 1991-9-28 10829 a Contra Costa betw Orinda and El Sobrante San Pablo Reservior Comment
  JEPS45767  Elatine heterandra W. L. Jepson 1891-5-22 13954 Contra Costa Walnut Creek Comment
  UC1606337  Eleocharis acicularis Barbara Ertter, Brad Olson 1991-9-28 10832 Contra Costa S end of San Pablo Reservoir between Orinda and El Sobrante Comment
  CAS-BOT-BC113633  Eleocharis acicularis Virginia I. Dains; Walter Knight 1986-8-8 5461 Contra Costa Fay Is. Comment
  CDA38938  Eleocharis macrostachya D. G. Kelch 2005-3-24 5 .062 Contra Costa Carquinez Strait Region; Southern Point Pinole. Comment
  UC2028490  Eleocharis macrostachya Barbara Ertter 1998-5-3 16062 Contra Costa Area of Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo Comment
  RSA0027647  Eleocharis palustris Barbara Ertter 1998-5-3 16062 Contra Costa area of Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Below road SE of ponds. 274 Comment
  UC2028433  Eleocharis parishii Barbara Ertter with Chris Thayer 1996-10-25 15350 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park Comment
  RSA129552  Elymus X gouldii H. S. Yates 1933-6-18 3649 Contra Costa Mt Diablo; Near Danville 137 Comment
  RSA108336  Elymus X gouldii Frank W. Gould 1941-7-4 1303 Contra Costa On wastelands along Bay just north of Albany race track. Comment
  UC692419  Elymus X saundersii Mary L. Bowerman 1935-5-25 3073 Contra Costa Devil's Pulpit Mount Diablo (w side, on edge of outcrop) 1082 Comment
  JEPS68570  Elymus glaucus W. L. Jepson 1918-6-3 7576 Contra Costa Donner Canyon Vicinity of San Francisco Bay, Mt. Diablo 533 Comment
  UC691273  Elymus glaucus Mary L. Bowerman 1933-8-26 2414 Contra Costa Lower Canyon Spring Mount Diablo 1005 Comment
  UC692430  Elymus glaucus Mary L. Bowerman 1935-5-3 2964 Contra Costa Mount Diablo; Sloan Rd 487 Comment
  JEPS76286  Elymus glaucus subsp. jepsonii W. L. Jepson 1943-6-8 20848 Contra Costa Moraga Ridge; ne slope Comment
  UCD62489  Elymus multisetus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UCD62502  Elymus multisetus Beecher Crampton 1956-5-14 3425 Contra Costa Above Port Costa Brick Works, 4 miles west of Martinez on the road to Crockett. Comment
  SEINET242043  Elymus trachycaulus Barbara Ertter 2000-6-16 17953 Contra Costa Richmond Field Station at south end of 42nd St., Richmond, west end of grassland facing boundry fence with state park, edge of thick growth. Comment
  POM301024  Elymus trachycaulus subsp. trachycaulus Mary L. Bowerman 1933-6-3 2234 Contra Costa Mount Diablo Summit. Ransom Point Trail Comment
  JEPS1564  Emmenanthe penduliflora W. L. Jepson 1920-8-12 9075 Contra Costa Mt. Diablo Comment
  UC2042778  Epilobium brachycarpum Barbara Ertter 1990-9-10 9637 Contra Costa Briones Regional Park, Briones Hills S of Martinez, eroded N-facing draw between Sindicich and Maricich lagoons. Comment
  UCD150882  Epilobium brachycarpum James A. Neilson Jr. 1972-11-2 3605 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  CDA15837  Epilobium brachycarpum R. M. Case 1999-10-22 PDR 1206167 Contra Costa San Francisco Bay Area; near Walnut Creek. 0 Comment
  UC764884  Epilobium campestre R. F. Hoover 1937-5-14 2119 Contra Costa Byron Hot springs Comment
Read comments Dec 18 2008
  UC2027955  Epilobium campestre Barbara Ertter with Joanne Kerbavaz 2000-8-20 17502 Contra Costa Frog Pond on southeast side of Mount Diablo. Comment
  CAS-BOT-BC166162  Epilobium canum subsp. canum L. R. Abrams 1910-10-8 4342 Contra Costa Mt. Diablo 1158 Comment
  UC2042945  Epilobium canum subsp. canum Barbara Ertter with Laura Fujii 1989-10-29 8895 Contra Costa Las Trampas Regional Wilderness W of Danville. Comment
  UC914255  Epilobium canum subsp. canum Verne Grant and Alva Grant 1946-9-29 7877 Contra Costa near old tunnel road; Berkeley Hills Comment
  JEPS111567  Epilobium ciliatum D. G. Kelch 2003-8-13 03 .142 Contra Costa Pinole Creek 68 Comment
  UCD105799  Epilobium ciliatum subsp. ciliatum Terri Williamson 1990-5-22 72 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  JEPS38247  Epilobium densiflorum W. L. Jepson 1894-9-7 14401 Contra Costa Grizzly Peak Berkeley Hills Comment
  UC1005902  Epiphyllum N. Floy Bracelin 1943-5-16 2513 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC2029183  Equisetum hyemale subsp. affine Barbara Ertter 2000-7-16 17394 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  CAS-BOT-BC57260  Equisetum laevigatum Mary L. Bowerman 1938-6-14 3685 Contra Costa Lower Silver Spring 853 Comment
  POM300619  Equisetum telmateia var. braunii Mary L. Bowerman 1930-8-24 433 Contra Costa MItchell Canyon. 252 Comment
  UC1818969  Eremocarpus setiger Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14529 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. southeast of Clayton dried grasslands at base of trail. 304 Comment
  JEPS120294 Image available Eriastrum ertterae David Gowen 2005-7-1 471 Contra Costa Lime Ridge Open Space. South of summit near power line area. Comment
  UC2029062  Ericameria arborescens Barbara Ertter 2000-7-29 17449 Contra Costa Donner Canyon Road below upper junction of Hetherington Trail, north side of Mount Diablo Comment
  CAS-BOT-BC287532  Ericameria linearifolia H. M. Hall 1901-4-5 1745 Contra Costa Mt Diablo 685 Comment
  JEPS31296  Ericameria linearifolia W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  UC36564  Ericameria linearifolia F. P. McLean 1875-3-1 Contra Costa Mt. Diablo Comment
  UCD131397  Ericameria linearifolia R. A. Pendleton 1934-3-20 s.n. Contra Costa Mount Diablo. Comment
  SEINET10617379  Ericameria linearifolia John T. Middleton 1936-4-18 Middleton 137 Contra Costa Marsh Creek Rd. - 8 mi. east of Clayton. Comment
  UC697206  Ericameria linearifolia Mary L. Bowerman 1938-5-28 3649 Contra Costa Silver Creek Nook Mount Diablo, Silver Creek Nook (North Road, peeping out from under a willow) 640 Comment
  UCD150888  Erigeron canadensis James A. Neilson Jr. 1972-11-2 3607 Contra Costa Channel of Walnut Creek ca. 1 mi. north of junction of Pine Creek Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC300590  Erigeron foliosus var. franciscensis L. R. Abrams 1916-6-30 5701 Contra Costa Mt. Diablo near lake Comment
  CDA42377  Erigeron foliosus var. franciscensis D. G. Kelch 2012-6-1 12 .095 Contra Costa Carquinez Strait Region; 1 km east of Port Costa in the vicinity of the old brick factory. Comment
  UC2070521  Erigeron foliosus var. franciscensis Barbara Ertter with Delia Taylor 2003-6-22 18228 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, N-facing slope along Arata Overlook Trail NE of park headquarters. Comment
  CAS-BOT-BC295955  Erigeron philadelphicus Mary L. Bowerman 1935-5-16 2998 Contra Costa Mount Diablo. Russelman [Russellmann] Park road at Gregory Ranch junction 289 Comment
  CAS-BOT-BC224221  Eriodictyon californicum Alice Eastwood; John Thomas Howell 1936-4-19 s.n. Contra Costa Nortonville Comment
  UC691670  Eriodictyon californicum Mary L. Bowerman 1930-6-10 315 Contra Costa Mount Diablo Meridian Peak Summit (Meridian Peak Summit); , Meridian Peak Summit Comment
  POM196479  Eriogonum J. T. Howell 1929-9-21 7392 Contra Costa Marsh Creek Road 8 miles southeast of Clayton Comment
  RSA136732  Eriogonum J. T. Howell 1955-8-24 30903 Contra Costa Near summit of south peak, Mt. Diablo Comment
  CAS-BOT-BC248088  Eriogonum angulosum H. M. Hall 1916-8-17 10276 Contra Costa Deer Valley 182 Comment
  CDA22594  Eriogonum fasciculatum var. foliolosum A. G. Murdock, D. G. Kelch 2004-3-19 233 Contra Costa Carquinez Strait; Hercules - Carbon. Comment
  UC692018  Eriogonum gracile var. gracile Mary L. Bowerman 1932-11-11 1639 Contra Costa Little below Moses Rock Spring (ridge leading up from Buckle Point (on west road)); Mount Diablo Comment
  JEPS116889  Eriogonum inerme David Gowen 2007-6-10 761 Contra Costa Mt. Diablo State Park. Gravel opening in chaparral near antenna area north of summit parking lot. Comment
  CAS-BOT-BC259523  Eriogonum luteolum var. luteolum H. L. Mason 1929-9-21 5434 Contra Costa Along Marsh Creek Road three miles above Clayton Comment
  SEINET530762  Eriogonum nudum var. auriculatum Paul Opler 2007-6-23 Contra Costa Point Molate. 19 Comment
  UC521722  Eriogonum nudum var. auriculatum Joseph Andorfer Ewan 1933-10-15 8032 Contra Costa sw slope Mt. Diablo Mt. Diablo Comment
  UC692045  Eriogonum nudum var. auriculatum Mary L. Bowerman 1930-8-24 424 Contra Costa Mitchell Canyon, lower trail Mount Diablo Comment
  UC692047  Eriogonum nudum var. auriculatum Mary L. Bowerman 1931-10-23 1062 Contra Costa Riggs Canyon Mount Diablo Comment
  UC692198  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-10-1 1597 Contra Costa s Uncle Sam Canyon (Eagle Point Ridge); Mount Diablo Comment
  CAS-BOT-BC269817  Eriogonum nudum var. psychicola Peter Rubtzoff 1954-9-14 1745 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  CAS-BOT-BC269818  Eriogonum nudum var. psychicola Peter Rubtzoff 1954-9-14 1746 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  JEPS102909  Eriogonum roseum Barbara Ertter with Tony Morosco 1998-10-18 16436 Contra Costa NE corner of Lime Ridge recreation Area Mount Diablo 182 Comment
  RSA766267  Eriogonum roseum Joseph A. Ewan 1933-10-15 8022 Contra Costa Grassy slope above Indian Ceremonial Spr., Mt. Diablo Comment
  CAS-BOT-BC267445  Eriogonum truncatum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC267446  Eriogonum truncatum M. K. Curran 1886-5-1 s.n. Contra Costa Antioch Comment
  UCR139461  Eriogonum truncatum J. T. Howell 1934-4-8 11816 Contra Costa San Francisco Bay Region, [Black Hills] 10 mi from Clayton [SE] on Marsh Creek Road 366 Comment
  POM301036  Eriophyllum confertiflorum Mary L. Bowerman 1933-6-3 2224 Contra Costa 2 miles by road from North Gate Comment
  UC507127  Eriophyllum confertiflorum var. confertiflorum Lincoln Constance 1933-6-25 E 95 Contra Costa about one - half way to the summit of Mt. Diablo (s slopes) Comment
  UC691660  Eriophyllum jepsonii Mary L. Bowerman 1935-5-30 3087 Contra Costa Eagle Point Ridge 304 Comment
  JEPS34598  Eriophyllum lanatum var. achilleoides W. L. Jepson 1918-6-3 7577 Contra Costa Mt. Diablo Comment
  UC691668  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-30 3097 b Contra Costa Eagle Point ridge = between the two n ridges which converge at Twin Peaks; Mt. Diablo, Eagle Point ridge 350 Comment
  POM161398  Eriophyllum lanatum var. achilleoides H. E. McMinn 1922-6-30 98 Contra Costa Roadside on Mt. Diablo Comment
  POM203445  Eriophyllum lanatum var. achilleoides J. T. Howell 1931-5-12 6485 A Contra Costa Marsh Creek Road NE of Mt. Diablo Comment
  UC507051  Eriophyllum lanatum var. achilleoides H. K. Sharsmith and C. W. Sharsmith 1933-4-30 E 17 Contra Costa Black, Hills; Mount Diablo 304 Comment
  UC606750  Eriophyllum staechadifolium Edward Lee 1936-4-19 1990 Contra Costa near summit of island San Francisco Bay, Red Rock Comment
  CAS-BOT-BC301910  Eriophyllum staechadifolium H. E. McMinn No date on label 139 Contra Costa Unspecified Comment
  JEPS61371  Erodium botrys Miss Linda Gehringer 1914-3-29 Contra Costa Brentwood Comment
  JEPS100095  Erodium cicutarium G. Smick 2003-4-1 GAS 105 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1948936  Erodium cicutarium William J. Ferlatte, L. Maynard Moe 1970-4-27 1263 Contra Costa San Francisco Bay: Red Rock Island Comment
  SEINET5604448 Image available Erodium cicutarium Rachel Van Noord 1998-1 4 Contra Costa Dinosaur Hill Park, Pleasant Hill, CA N 37* 56.149' W 122* 05.391 Comment
  UC106326  Eryngium aristulatum var. aristulatum unknown 1893-7-29 Contra Costa Martinez Comment
  UC1487288  Eryngium aristulatum var. aristulatum Yusuf Sheikh 1974-5-5 587 Contra Costa 2.1 mi. s.e. of Byron Post sign on rd. J4 (3.1 mi. s.e. of intersection with Camino Diablo) Comment
  UC691774  Eryngium aristulatum var. aristulatum Mary L. Bowerman June 1942 3850 Contra Costa South Rd. Mt.Diablo Comment
  POM133545  Eryngium aristulatum var. aristulatum Katherine Brandegee 1907-5-16 s.n. Contra Costa [Unspecified] Comment
  RSA136734  Eryngium aristulatum var. aristulatum J. T. Howell 1955-8-24 30899 Contra Costa Near Diablo Country Club Comment
  CDA29692  Eryngium armatum D. G. Kelch, D. A. Weinstein 2009-7-15 9 .494 Contra Costa Carquinez Strait; Point Pinole. Comment
  JEPS78607  Eryngium articulatum Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3291 Contra Costa Browns Island, Botany Cove Comment
  JEPS111619  Eryngium jepsonii D. G. Kelch 2004-7-9 04 .297 Contra Costa Crockett - Carquinez Scenic Drive Carq. Scenic Dr. Just west of Pt. Costa 60 Comment
  CAS-BOT-BC40775  Erysimum capitatum James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  RSA102133  Erysimum capitatum var. angustatum G. B. Rossbach 1955-3-13 570 Contra Costa Along tidal estuary of San Joaquin River just E of Antioch 24 Comment
  POM272910  Erysimum capitatum var. capitatum Lyman Benson 1935-3-16 6261 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC10532  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 876 Contra Costa Antioch Comment
  UC10566  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 996 Contra Costa foothills Antioch Comment
  UC2046327  Erythranthe nasuta Barbara Ertter with Alan Prather 2003-6-7 18210 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, Coyote Trail. Comment
  UC1819026  Eschscholzia californica Barbara Ertter, Chris Thayer 1995-4-25 13996 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. 548 Comment
  UC692172  Eschscholzia californica Mary L. Bowerman 1935-5-22 3059 Contra Costa saddle w Twin Peaks (Eagle Point ridge); Mount Diablo 441 Comment
  UC692180  Eschscholzia californica Mary L. Bowerman 1932-3-27 1144 Contra Costa near Mitchell Rock (on e side); Mount Diablo Comment
  UCD84944  Eschscholzia californica Chuck Hughes 2010-3-29 216 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  UC170265  Eschscholzia rhombipetala E. L. Greene March, 1888 Contra Costa near Byron Springs Comment
  UC1789217  Eucalyptus Barbara Ertter 2004-9-17 18499 Contra Costa north extension of Lime Ridge open Space in Concord, edge of parking area on N side of Treat Boulevard Comment
  UC1618303  Eucalyptus globulus Barbara Ertter, Brad Olson 1993-10-30 12293 Contra Costa w. of R.R. tracks n. of mouth of Pinole Creek (along R.R. track at edge of salicornia marsh, San Pablo Regional Shoreline); San Pablo Regional Shoreline Comment
  UC1789212  Eucalyptus tereticornis Barbara Ertter 1998-5-10 16116 Contra Costa Lime Ridge Open Space, single sapling in quarry area on west side. [Flowering material collected from same plant in 2001 as Ertter17604] Comment
  UC1789215  Eucalyptus tereticornis Barbara Ertter with Dan Norris 2001-4-8 17604 Contra Costa Lime Ridge Open Space, main pit of west quarry area north of adjacent golf course 121 Comment
  UC1789218  Eucalyptus tereticornis Barbara Ertter 1993-11-13 12318 Contra Costa Sibley Volcanic Regional Preserve in Oakland Hills S of Orinda, pine & eucalypt forest on south side of Round Top, ca 1500 ft.; locally established tree with peeling bark. Comment
  JEPS1733  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1925-4-26 10690 Contra Costa Black Hills; Mt. Diablo Comment
  UC1613298  Eucrypta chrysanthemifolia var. chrysanthemifolia Charles M. Belshaw 1935-6-24 1022 Contra Costa Sobrante Hills Comment
  UC2027934  Euphorbia maculata Barbara Ertter with Chris Thayer 1996-10-25 15382 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below Junction near Mineral Spring. Comment
  JEPS100097  Euphorbia oblongata G. Smick 2003-5-6 GAS 173 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCR247571  Euphorbia oblongata Deviney 2008-4-18 s.n. Contra Costa Pacheco, Waterbird Way and Hwy 680 Comment
  CDA4843  Euphorbia oblongata T. C. Fuller 1961-7-6 6585 Contra Costa Carquinez Strait; Alhambra Valley, Highway 4, 0.5 mile west of Glen Frazier Station, ca. 4 miles west of Martinez. 0 Comment
  OBI5339  Euphorbia oblongata T. C. Fuller 1961-7-6 6585 Contra Costa On bench above crk, Alhambra Valley, hwy 4, 0.5 mi W of Glen Frazier Station, ca 4 mi W of Martinez Comment
  CHSC75081  Euphorbia peplus Roger Thom 1987-5-24 15 Contra Costa 1510 Carmel Dr. Walnut Creek. Rose garden. 30 Comment
  CDA34210  Euphorbia spathulata D. G. Kelch 2011-5-28 11 .538 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  UC1818921  Euphorbia spathulata Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14222 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point, grassy semishade at edge of oak woodland. 518 Comment
  UC692696  Euphorbia spathulata Mary L. Bowerman 1931-5-2 792 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  UC1999853  Eurybia radulina J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 9340 Contra Costa Charles Tilden Reg. Park; Vollmer Peak. Comment
  CDA33068  Euthamia occidentalis D. G. Kelch 2010-10-5 10 .42 Contra Costa The Delta; Just east of Antioch bridge. Comment
  CDA5288  Euthamia occidentalis D. G. Kelch 2004-9-2 4 .333 Contra Costa Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh. Comment
  CDA5289  Euthamia occidentalis D. G. Kelch 2004-7-9 4 .309 Contra Costa Carquinez Strait Region; Pacheco Marsh. Pacheco Hill Marsh west of Pacheco Slough. Comment
  JEPS102889  Euthamia occidentalis Barbara Ertter 1998-11-15 16461 Contra Costa Mount Olympia, N face,below Zippe Trail, above quasrried pond Mount Diablo 640 Comment
  UC2028487  Festuca arundinacea Barbara Ertter 1998-5-3 16047 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo Comment
  UC2028473  Festuca idahoensis Barbara Ertter with Richard K. Brummitt 1998-5-6 16099 Contra Costa Western Drive on Point San Pablo/Point Molate west of Richmond, base of roadcut south of Naval Fuel Depot Comment
  UC2028484  Festuca microstachys Barbara Ertter 1998-5-3 16041 Contra Costa Dusty Road at north end of Wall Point Ridge, southwest flank of Mount Diablo Comment
  UC2028533  Festuca microstachys Barbara Ertter with Tony Morosco 1998-4-12 15989 Contra Costa Base of Mount Olympia on north side of Mount Diablo. Comment
  CAS-BOT-BC278926  Festuca rubra Annetta Carter 1936-4-19 1111 Contra Costa Red Rock, San Francisco Bay Comment
  POM203448  Forestiera pubescens J. T. Howell 1933-3-29 10905 Contra Costa Canyon below Nortonville Comment
  UC2027937  Forestiera pubescens Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17629 Contra Costa Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion. Comment
  CAS-BOT-BC52534  Frangula californica subsp. californica Mary L. Bowerman 1930-8-31 451 a Contra Costa Inner Black Hills, Sloan Road east of the Sloan place Comment
  CAS-BOT-BC62922  Frangula californica subsp. tomentella Alice Eastwood 1915-5-30 4449 Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC62923  Frangula californica subsp. tomentella L. R. Abrams 1916-6-30 5706 Contra Costa Mt. Diablo near Lake. Comment
  CAS-BOT-BC223860  Frankenia salina L. R. Abrams 1916-7-1 5730 Contra Costa Near Martinez Comment
  CAS-BOT-BC223859  Frankenia salina John Thomas Howell; Gordon H. True 1972-6-29 48919 Contra Costa On Byron Hot Springs Road southeast of Byron, Contra Costa Comment
  UC2028959  Frankenia salina Barbara Ertter 2002-8-24 18022 Contra Costa Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo. Comment
  CAS-BOT-BC223391  Fraxinus dipetala Mary L. Bowerman 1935-6-1 3104 Contra Costa Mount Diablo. First small ridge east of Mitchell-Pine divide 975 Comment
  POM300728  Fraxinus dipetala Mary L. Bowerman 1930-6-22 363 Contra Costa Mount Diablo: Mitchell Canyon Comment
  JEPS16561  Fremontodendron californicum G. G. Hahn Nov. 1914 Contra Costa 1/4 mile E. of Redwood Peak Comment
  JEPS112503  Fritillaria affinis A. G. Murdock 2004-4-30 262 Contra Costa Vaca Canyon 165 Comment
  UC692002  Fritillaria affinis Mary L. Bowerman 1931-3-8 561 Contra Costa Mount Diablo, near mouth of Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon Comment
  JEPS2598 Image available Fritillaria agrestis J. Burtt Davy 1895-4-7 987 Contra Costa Antioch Comment
  JEPS55706  Fritillaria liliacea W. Hirano 1954-3-11 Contra Costa opposite Mira Vista Country Club (at Arlington Avenue); Arlington Avenue Comment
  UC13831  Fritillaria liliacea J. P. Tracy 1900-3-24 612 Contra Costa near Point Richmond (San Francisco Bay Region); San Francisco Bay Region 3 Comment
  UC1789195  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building). Comment
  UCD121557  Galium andrewsii P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  SEINET11170982  Galium andrewsii M. S. Baker 1904-6-24 s.n. Contra Costa Near Summit of Mt. Diablo, Mitchel Canyon Trail Comment
  OBI70584  Galium aparine D. G. Kelch 2007-3-24 7 .091 Contra Costa Ozol; between Port Costa and Martinez near old brick quarry 52 Comment
  UC691537  Galium aparine Mary L. Bowerman 1935-6-1 3101 Contra Costa gully e Mitchell-Pine Divide; Mount Diablo 975 Comment
  JEPS14516  Galium californicum subsp. californicum L. T. Dempster 1956-6-1 1007 Contra Costa 15 El Toyonal Orinda Comment
  JEPS14346  Galium murale L. T. Dempster 1956-4-28 1000 Contra Costa between Village and Crossroads (near creek); Orinda Comment
Read comments Apr 21 2012
  UC28223  Galium porrigens F. P. McLean March 1875 Contra Costa Mt. Diablo Comment
  UC691533  Galium porrigens Mary L. Bowerman 1935-5-16 2982 Contra Costa flat at end of road Mount Diablo, Russelman Park 381 Comment
  JEPS52754  Galium porrigens var. porrigens Lauramay T. Dempster 1963-5-30 3805 Contra Costa 15 El Toyonal Orinda Comment
  JEPS6608  Galium porrigens var. porrigens Mary L. Bowerman 1930-6-22 370 Contra Costa Deer Flat Mount Diablo Comment
  UC1051202  Galvezia speciosa N. Floy Bracelin 1944-6-6 2717 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC672198  Gamochaeta ustulata H. L. Mason 1928-4-12 4302 Contra Costa Richmond waterfront Comment
  CAS-BOT-BC200634  Garrya elliptica John Thomas Howell 1925-9-12 1437 Contra Costa Oakland Hills at head of San Leandro Canyon Comment
  UC1281040  Garrya elliptica H. E. McMinn 1925-4 Contra Costa head of San Leandro Creek Comment
  CAS-BOT-BC200624  Garrya elliptica H. G. Bloomer 1863-2-11 1564 Contra Costa Hills near Oakland Comment
  UC2029048  Garrya elliptica Barbara Ertter with Linda Vorobik 2000-1-9 16890 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  UC634790  Garrya flavescens H. L. Mason 1926-3-7 2711 Contra Costa Mount Diablo Comment
  UC692519  Garrya flavescens Mary L. Bowerman 1931-4-25 779 Contra Costa Meridian Peak summit; Mount Diablo Comment
  CAS-BOT-BC169947  Garrya fremontii Mary L. Bowerman 1930-6-7 s.n. Contra Costa Meridian Peak Summit Comment
  CAS-BOT-BC169948  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 Comment
  UCD66597  Gastridium phleoides M. Wiesendanger 1926-5-1 1523 Contra Costa Near Richmond. Comment
  JEPS112350  Genista monspessulana Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .077 Contra Costa Crockett - Crolona Heights, County: Contra Costa; Crockett: W base of Crolona heights. Comment
  HSC8643  Geranium carolinianum Greg Bos 1963-3-9 31 Contra Costa Point Isabel, Richmond 3 Comment
  CHSC24900  Geranium dissectum T. S. Byler 1976-4-17 14 Contra Costa Ca 200 yds n of Lafayette Reservoir, ca 50 yds e of entrance road. 152 Comment
  UC571135  Geranium dissectum A. E. Borell 1928-3-31 78 Contra Costa Richmond Comment
  RSA67217  Gilia achilleifolia Verne Grant, Alva Grant 1948-5-2 8424 Contra Costa in Bear Creek Canyon, 0.5 miles north of summit and ca. 3.8 miles from Orinda-San Pablo road. Comment
  UC106854  Gilia achilleifolia subsp. achilleifolia C. F. Baker 1903-4-28 2951 Contra Costa Mt. Diablo, Mitchell Canyon Comment
  UC796580  Gilia achilleifolia subsp. achilleifolia Reed C. Rollins 1946-3-25 3045 Contra Costa w slope of Mount Diablo Mount Diablo Comment
  UC880124  Gilia achilleifolia subsp. multicaulis Lewis S. Rose 1941-5-15 41231 Contra Costa w slope Mount Diablo; w slope Mount Diablo 396 Comment
  UC963984  Gilia achilleifolia subsp. multicaulis R. F. Hoover 1941-4-11 4831 Contra Costa Marsh Creek Canyon Comment
  UC691629  Gilia capitata subsp. capitata Mary L. Bowerman 1933-6-7 2263 Contra Costa North Peak Ridge , North Peak Ridge (Mount Diablo) Comment
  UC402614  Gilia capitata subsp. staminea C. L. Swenson April, 1930 Contra Costa Antioch Comment
  UC517980  Gilia capitata subsp. staminea Lewis S. Rose 1933-4-17 33090 Contra Costa Antioch Comment
  UC913387  Gilia capitata subsp. staminea G. Thomas Robbins 1940-5-19 323 Contra Costa hills e Antioch (bordering San Joaquin River); , e of Antioch Comment
  JEPS85758  Gilia clivorum Roy E. Buck 1989-3-11 1102 Contra Costa 9 air km se Walnut Creek (ca 2.0 air km w of Moses Rock Spring, sw-facing slope on n side of North Gate Rd, 0.3 road mi se of park boundary); Mt. Diablo State Park 207 Comment
  UC691678  Gilia clivorum Mary L. Bowerman 1935-4-22 2894 Contra Costa ridge w Pioneer Road (w of Stage Road) (Mount Diablo); Mount Diablo 822 Comment
  UC963965  Gilia clivorum R. F. Hoover 1938-3-25 2895 Contra Costa Markley Canyon Comment
  RSA63910  Gilia clivorum Verne Grant, Alva Grant 1948-5-21 8536 Contra Costa Game reserve on east slope of Grizzly Peak. Comment
  SEINET10972175  Githopsis diffusa subsp. robusta Alice Eastwood 1915-5-30 Eastwood s.n. Contra Costa Comment
  JEPS64809  Glycyrrhiza lepidota W. L. Jepson May 23 1891-May 24 1891 13599 Contra Costa Mt. Diablo Comment
  UC692667  Glycyrrhiza lepidota Mary L. Bowerman 1931-5-13 842 Contra Costa canyon floor 1 mi above sulphur spring; Mount Diablo, Pine Canyon Comment
  CDA35615  Gnaphalium californicum I. Godwyn 2011-5-12 PDR# 1649778 Contra Costa Richmond; Wildcat Canyon Regional Park, near McBryde Ave. 0 Comment
  RSA721738  Gnaphalium canescens subsp. beneolens Barbara Ertter, Kristin Ertter 1995-7-11 14469 Contra Costa Pine Creek on west side of Mt. Diablo southwest of Walnut Creek; Diablo Foothills Regional Park Comment
  CDA6041  Gnaphalium luteoalbum D. G. Kelch, A. G. Murdock 2005-5-1 5 .185 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  JEPS99527  Gnaphalium palustre Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo, in mud of rivulent leading into Sheepherder's Pond from the spring. Comment
  UCR247431  Gnaphalium stramineum Dean Kelch, Abigail Moore 2009-5-30 09 .317 Contra Costa Carquinez Strait, west of 5th St Prairie, Crockett 75 Comment
  CAS-BOT-BC305225  Grindelia hirsutula Evelina Cannon 1900-9-17 s.n. Contra Costa Giant station Comment
  CAS-BOT-BC305226  Grindelia hirsutula Lewis S. Rose 1930-7-22 s.n. Contra Costa Antioch Bridge Comment
  JEPS111071  Grindelia hirsutula Lee Echols 2003-6-17 s.n. Contra Costa N of Lark Drive in central portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  JEPS111758  Grindelia hirsutula D. G. Kelch 2005-5-13 05 .243 Contra Costa Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  UC1118559  Grindelia hirsutula H. S. Yates 1934-9-2 4079 Contra Costa Wildcat Creek Concord Quad., Wildcat Creek 304 Comment
  UC615563  Grindelia hirsutula Beryl O. Schreiber 1933-10-5 940 A Contra Costa Mount Diablo Comment
  UCD150902  Grindelia hirsutula James A. Neilson Jr. 1972-10-21 3603 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  CAS-BOT-BC305235  Grindelia hirsutula L. R. Abrams 1917-9-13 6729 Contra Costa Patterson Pass Comment
  CAS-BOT-BC305236  Grindelia hirsutula L. R. Abrams 1917-9-13 6727 Contra Costa Patterson Pass - east side Comment
  CAS-BOT-BC305242  Grindelia hirsutula John Thomas Howell 1929-9-21 4387 Contra Costa 4 miles west of Clayton Comment
  SEINET201967  Grindelia hirsutula var. hirsutula G. T. Robbins 1959-4-25 4003 Contra Costa Potero Hills above shore of San Francisco Bay S of Castro Pt. and just N of Richmond-San Rafeal Bridge Richmond Comment
  UC1292655  Guillenia flavescens A. R. Kruckeberg 1949-4-16 1735 Contra Costa 2 mi inside old North Entrance (not tollgate); Mount Diablo State Park Comment
  UC691137  Guillenia flavescens Mary L. Bowerman 1935-4-17 2842 Contra Costa 2 mi from West road (=North Rd.) entrance (ridge w of chaparral, immediately e of section line); Mount Diablo 304 Comment
  JEPS68953  Guillenia lasiophylla Edward Lee 1935-3-10 1283 Contra Costa Donovan Road, w watershed of Kirker Creek Kirker Pass, Kirker Creek Comment
  CAS-BOT-BC304582  Gutierrezia californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  JEPS40433  Gutierrezia californica William Turner 1965-10-13 Contra Costa in the sand hills Antioch (along the San Joaquin River); San Joaquin River, Antioch Comment
  RSA299550  Gutierrezia californica Edward Lee, Annetta Carter 1935-8-17 1622 Contra Costa Antioch Comment
  SJSU14141  Gutierrezia californica D. B. Gschwend 1975-10-18 Contra Costa 3 mi up Nortonville Rd from Kirker Pass Rd, S of Pittsbutg 487 Comment
Read comments Aug 17 2011
  UC1051002  Hebe buxifolia N. Floy Bracelin 1943-7-19 2549 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  RSA721367  Hedera helix Barbara Ertter 1994-10-23 13915 Contra Costa Southwest El Cerrito, north edge Breuner s parking lot, northwest Albany Hill. Comment
  UC552471  Helenium bigelovii C. L. Swenson 1936-7-9 Contra Costa river sloughs near Antioch; San Joaquin River Comment
  JEPS111680  Helenium puberulum D. G. Kelch 2003-8-13 03 .134 Contra Costa Pinole Creek 68 Comment
  UC1192223  Helenium puberulum Malcolm A. Nobs and S. Galen Smith 1949-7-8 949 Contra Costa 4 mi n of Kingston (Otto's Black Bass Resort); Otto's Black Bass Resort Comment
  CAS-BOT-BC305321  Helianthella castanea Alice Eastwood 1921-6-11 10604 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC305323  Helianthella castanea D. E. Breedlove 1970-4-18 17440 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  CAS-BOT-BC305331  Helianthella castanea H. M. Hall 1916-5-31 10137 Contra Costa Mt. Diablo, north slope of summit 1158 Comment
  JEPS86722  Helianthella castanea James A. Martin 1991-5-21 Contra Costa 800 ft se Castro Ranch (ca 1 mi n of nw end of San Pablo Dam) 182 Comment
  JEPS96539  Helianthella castanea Dean W. Taylor 1993-5-2 13419 Contra Costa hillside above Selby Siding, ca. 1 mile W of Carquinez Bridge, near BM 378 106 Comment
  POM203709  Helianthella castanea J. T. Howell 1931-5-12 6475 Contra Costa Nortonville Comment
  UC1819054  Helianthella castanea Barbara Ertter, Chris Thayer 1995-4-25 13995 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. Comment
  UC2013032  Helianthella castanea Barbara Ertter with Travis Columbus 1990-6-10 9107 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; E-facing steep hillside above junction of Spengler and Blue Oaks trails. Comment
  CDA31041  Helianthemum scoparium D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .229 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC2028316  Helianthemum scoparium Barbara Ertter, Susan D'Alcamo 1998-6-12 16161 Contra Costa Summit Road to top of Mount Diablo. Comment
  UC691733  Helianthus annuus Mary L. Bowerman 1936-9-17 3547 Contra Costa road to substation nw of Mount Zion (roadside, w side, between substation and Marsh Creek Road); Mount Diablo Comment
  CAS-BOT-BC305374  Helianthus annuus Walter Knight 1965-9-7 1163 Contra Costa Antioch sand dunes Comment
  CDA6202  Helianthus californicus D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  UC2070513  Helianthus californicus Barbara Ertter 2002-8-24 18034 Contra Costa Lower Perkins Canyon on NE base of Mount Diablo. Comment
  UC691497  Helminthotheca echioides Mary L. Bowerman 1936-8-8 3524 Contra Costa w fork Diablo Stock Farm Canyon (= Emmons Cayon, Wattis Ranch); Mount Diablo, Diablo Stock Farm (Wattis Ranch) Canyon, w for Comment
  CAS-BOT-BC305872  Helminthotheca echioides R. E. Frenkel 1964-2-22 365 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC691806  Helminthotheca echioides Mary L. Bowerman 1932-11-19 1660 Contra Costa on bank of grey material excavated from tunnel to Club Spring No. 4 (Mountain Springs Canyon); Mount Diablo, , Mountain Springs Canyon Comment
  CDA37817  Hemizonia congesta Godwyn 2012-6-22 PDR# 1641308 Contra Costa Pleasanton; 7300 Camino Tassajara. 0 Comment
  UC201234  Hemizonia congesta subsp. lutescens H. M. Hall 1914-8-23 9860 Contra Costa 2 km nw of town Road to Giant; San Pablo 9 Comment
  UC201236  Hemizonia congesta subsp. luzulifolia H. M. Hall 1914-8-23 9858 Contra Costa Richmond Region of San Francisco Bay, Richmond Comment
  CAS-BOT-BC314855  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa Sycamore Valley west of Sycamore Creek, Mount Diablo Comment
  CAS-BOT-BC314856  Hemizonia congesta subsp. luzulifolia R. Bacigalupi 1922-9-24 s.n. Contra Costa Along road between Concord and Clayton Comment
  CDA33546  Hemizonia fitchii Fisher, Deviney 2010-6-2 PDR# 1645252 Contra Costa Byron; Armstrong Road Extension 1/3 mile southeast of Vasco Rd. Comment
  RSA94182  Hemizonia luzulifolia F. W. Peirson 1925-11-15 6473 Contra Costa Below Arlington. Comment
  SEINET7883353 Image available Hemizonia obconica L. S. Rose 1941-1 41466 Contra Costa 6 mi W of Byron, on Marsh Creek Rd Comment
  POM215122  Hemizonia parryi subsp. congdonii D. D. Keck 1933-11-2 2610 Contra Costa San Ramon, Crow Creek Canyon road, 0.5 miles from turnoff Comment
  CDA15242  Hemizonia pungens G. F. Hrusa, D. Crowe 1998-5-8 14373 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  RSA424742  Hemizonia pungens subsp. pungens Aaron Liston 1987-4-27 670 -4 Contra Costa 3 miles S of Byron. Comment
  JEPS75523  Heracleum lanatum P. F. Yorks 1974-5-19 160 B Contra Costa n. Briones Reservoir (ca. 1.7 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  UCD127538  Heracleum maximum R. Tofsrud 1948-1 s.n. Contra Costa Exact location unknonw. Comment
  JEPS33797  Hesperevax sparsiflora W. L. Jepson 1923-4-22 9864 Contra Costa Mt. Diablo Comment
  UC88275  Hesperevax sparsiflora var. sparsiflora M. K. Curran May 1886 Contra Costa Antioch Comment
  UC692061  Hesperocnide tenella Mary L. Bowerman 1931-4-18 717 Contra Costa Sycamore Canyon Mount Diablo; , Sycamore Canyon Comment
  CAS-BOT-BC403790  Hesperocnide tenella Peter Rubtzoff 1980-6-2 9451 Contra Costa U.C. Russell Evergreen Tree Farm (on Happy Valley Road ca. 3.5 miles northwest of Mt. Diablo Blvd in Lafayette and ca. 0.5 mile southeast of Bear Creek Road junction Comment
  RSA102173  Hesperolinon breweri M. K. C. 1885-06 s.n. Contra Costa Antioch Comment
  RSA135385  Hesperolinon breweri Volney Rattan 1886-06 s.n. Contra Costa Mount Diablo Comment
  UC692694  Hesperolinon breweri Mary L. Bowerman 1935-6-15 3137 Contra Costa Eagle Point Ridge w 2632; Mount Diablo 762 Comment
  UC2028268  Hesperolinon californicum Barbara Ertter 1999-6-12 16709 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  UC692665  Hesperolinon californicum Mary L. Bowerman 1933-6-14 2279 Contra Costa Inner Black Hills w 1970; Mount Diablo Comment
  UC187375  Hesperomecon linearis C. F. Baker 1903-4-25 2802 Contra Costa Antioch Comment
  CAS-BOT-BC422504  Hesperomecon linearis W. R. Ernst 1958-3-26 214 Contra Costa Between Antioch and the Antioch bridge. Comment
  SEINET10972529  Heterocodon rariflorum Hall Hall 2205 Contra Costa SAN JACINTO MTNS 5300 Comment
  UC2028265  Heterocodon rariflorum Barbara Ertter 1999-6-12 16715 Contra Costa West Branch Alamo Creek on south flank of Mount Diablo, along unofficial path running from north spur of Black Hawk Ridge Road to south spur off of Knob Cone Point Road (near powerline). Comment
  CDA25927  Heteromeles arbutifolia D. G. Kelch, A. G. Murdock 2003-2-7 3 .038 Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  JEPS112075  Heteromeles arbutifolia D. G. Kelch 2003-2-7 03 .38 Contra Costa Franklin Canyon 115 Comment
  CAS-BOT-BC310281  Heterotheca grandiflora Walter Knight; Joanne Dean 1978-8-14 3113 Contra Costa Browns Island Comment
  CAS-BOT-BC310283  Heterotheca grandiflora Peter Rubtzoff 1954-9-14 1752 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  JEPS20381  Heterotheca grandiflora Joseph P. Tracy 1932-9-10 10783 Contra Costa e of Pinole (on Franklin Canyon Road); Rodeo Creek 91 Comment
  UC723790  Heterotheca grandiflora Joseph Andorfer Ewan 1935-3-10 9152 Contra Costa esp. on bluffs overlooking Sacramento River at Antioch Sacramento River Comment
  CAS-BOT-BC318824  Heterotheca grandiflora A. j. Soares 1925-11-1 s.n. Contra Costa Hayward Comment
  UC2027745  Heterotheca grandiflora Barbara Ertter 1997-1-5 15435 Contra Costa Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo. Comment
  UC615565  Heterotheca sessiliflora subsp. echioides Beryl O. Schreiber 1933-10-5 940 Contra Costa Mount Diablo Comment
  UC691817  Heterotheca sessiliflora subsp. echioides Mary L. Bowerman 1930-12-2 501 Contra Costa near base Mount Zion; Mount Diablo Comment
  UC692352  Heuchera micrantha var. erubescens Mary L. Bowerman 1933-6-14 2283 Contra Costa inner Black Hills (second gully w of n spur); Mount Diablo, Black Hills Comment
  CAS-BOT-BC424187  Heuchera micrantha var. hartwegii Alice Eastwood 1923-5-4 11706 Contra Costa Mt Diablo Comment
  UCD84891  Holcus mollis David L. Hanson 1978-3-7 s.n. Contra Costa Contra Costa County. Comment
  CAS-BOT-BC325840  Holocarpha heermannii A. D. E. Elmer 1903-7-1 4613 Contra Costa Mount Diablo Comment
  CDA23596  Holocarpha heermannii D. G. Kelch 2007-10-6 7 .63 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  CDA7976  Holocarpha heermannii D. G. Kelch, A. G. Murdock 2003-8-13 3 .129 Contra Costa Carquinez Strait Region; Pig Sale Comment
  CDA7977  Holocarpha heermannii D. G. Kelch, A. G. Murdock 2004-9-2 4 .329 Contra Costa Carquinez Strait Region; McEwen Road from Port of Costa - I-4 near summit of road. Comment
  JEPS100138  Holocarpha heermannii A. Langston 2003-7-28 AL 80 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC316050  Holocarpha heermannii Lewis S. Rose 1933-10-22 33387 Contra Costa Wildcat Canyon Comment
  CAS-BOT-BC325847  Holocarpha heermannii Walter Knight; Harry Reeves 1979-8-25 3403 Contra Costa Contra Loma Regonal Park near Antioch 22 Comment
  CAS-BOT-BC325848  Holocarpha heermannii L. S. Rose 1941-10-13 41465 Contra Costa 1 mile east of Walnut Creek 50 Comment
  POM360677  Holocarpha heermannii Hattie Beuton 1917-09 3287 Contra Costa Mt. Diablo. Comment
  RSA721867  Holocarpha heermannii Barbara Ertter, Brad Olson, Dianne Lake, Seth Adams 1994-9-11 13096 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton. Comment
  UC2012943  Holocarpha heermannii Barbara Ertter with Lynne Hosley 1992-8-29 11262 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo. Comment
  UC204053  Holocarpha heermannii A. D. E. Elmer Jul 1903 4613 Contra Costa Comment
  SJSU7097  Holocarpha macradenia D. J. Powers 1974-10-6 1001 A Contra Costa 100-300' E of Interstate Hwy 80 & 100-300 yards S of Appian Way, Pinole Comment
  UCD133201  Holocarpha macradenia Walter Knight; Irja Knight 1978-8-8 3101 Contra Costa southeast corner of Interstate 80 and Appian Way, 1 mile north of El Sobrante. Comment
  CAS-BOT-BC320247  Holocarpha obconica John Thomas Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on Marsh Creek Road Comment
  UC913078  Holocarpha obconica David D. Keck and J. Clausen 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road Comment
  UC913100  Holocarpha obconica David D. Keck 1933-11-2 2621 Contra Costa 1/2 mi s road to Brentwood; Deer Valley Comment
  SEINET10859135 Image available Holocarpha obconica subsp. autumnalis David D. Keck, Jens C. Clausen 1933-10-27 Keck 2567 Contra Costa 1.6 miles W. of Byron, 1.4 mi. from junction with Vasco Road. A pure stand on hillside that bore grain 2 years ago. Comment
  CAS-BOT-BC320324  Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles west of Byron 33 Comment
  CAS-BOT-BC320329  Holocarpha virgata John Thomas Howell 1930-9-28 5502 Contra Costa 5.4 miles from Byron, on Marsh Creek Road Comment
  CAS-BOT-BC324611  Holocarpha virgata David D. Keck 1933-11-2 2620 Contra Costa Horse Valley between Lone Tree Way adn Marsh Creek Road, 6 miles from Antioch Comment
  CAS-BOT-BC324613  Holocarpha virgata David D. Keck 1933-11-2 2624 Contra Costa 5 miles east of Clayton on Marsh Creek Road just opposite Mt. Diablo Comment
  UC532119  Holocarpha virgata subsp. virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi w Byron (1.4 mi from junction with Vasco Road) Comment
  POM299471  Holocarpha virgata subsp. virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles W of Byron. 33 Comment
  POM360683  Holocarpha virgata subsp. virgata L. S. Rose 1932-10-2 32654 Contra Costa Marsh Creek Road. Comment
  UC2029132  Holocarpha virgata subsp. virgata Barbara Ertter with David Gowen and Mike Park 2004-6-13 18372 Contra Costa Black Diamond Mines Regional Preserve, forks of Old Homestead Loop Trail. Comment
  CAS-BOT-BC152593  Holodiscus discolor var. discolor Alice Eastwood 1915-6-21 4733 Contra Costa San Leandro Comment
  CDA29576  Hordeum brachyantherum D. G. Kelch, Troy MacGregor 2009-5-1 9 .288 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  CHSC114266  Hordeum brachyantherum D. G. Kelch; Troy MacGregor 2009-5-10 09 .288 Contra Costa Carquinez Strait: Fernandez Ranch in valley bottom along Christie Rd. 76 Comment
  UC691185  Hordeum brachyantherum subsp. brachyantherum Mary L. Bowerman 1935-5-16 3002 Contra Costa Russelman Park Road at Gregory Ranch junction (Mount Diablo); Mount Diablo 289 Comment
  CDA32929  Hordeum marinum subsp. gussoneanum D. G. Kelch 2009-5-24 9 .301 Contra Costa Carquinez Strait; S of Ozol, W/SW of Martinez. Comment
  CDA37284  Hordeum marinum subsp. gussoneanum D. G. Kelch 2011-3-31 11 .07 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  UCD85808  Hordeum marinum subsp. gussoneanum Brandegee 1916-5-9 s.n. Contra Costa Byron Springs. Comment
  UCD85869  Hordeum marinum subsp. gussoneanum P. B. Kennedy 1916-5-11 s.n. Contra Costa Richmond District, Grand View Terrace. Comment
  CAS-BOT-BC289562  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1931-5-13 846 Contra Costa Pine Canyon floor slightly more than a mile above the sulphur spring, Mount Diablo Comment
  JEPS100007  Hordeum murinum G. Smick 2003-3-27 GAS 93 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  SEINET10595762  Hordeum murinum Ball 1975-3-2 BALL 456 Contra Costa In area #4. On beach ca. 30 yds. S of dam on E side of lake. Accompanying species include Bromus rigidus, etc. Soil sandy clay. 32 Comment
  UC691183  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-5-25 2188 Contra Costa w end s face Oyster Ridge (Mount Diablo); , w end s face Oyster Ridge 396 Comment
  UC606740  Hordeum murinum subsp. leporinum Edward Lee 1936-4-19 1962 Contra Costa ne corner island (Red Rock, San Francisco Bay); San Francisco Bay, Red Rock, ne corner island Comment
  UC691195  Hordeum murinum subsp. leporinum Mary L. Bowerman 1931-4-4 645 Contra Costa West Road about one mi from entrance Mount Diablo (= North Road) Comment
  UC14231  Horkelia californica subsp. dissita N. K. Chestnut Contra Costa Mt. Diablo Comment
  SEINET11263166  Horkelia californica subsp. dissita Barbara Ertter, Chris Thayer 1996-10-25 15385 Contra Costa West side of Mount Diablo, North Gate Road 1.0 roadmiles NW of Junction, spring near road.; 0 579 Comment
  UC723810  Horkelia californica subsp. frondosa Joseph Andorfer Ewan 1934-5-20 8926 Contra Costa n. side Mt. Diablo Mt. Diablo; , Russelmann Park Comment
  CHSC116616  Hypochaeris glabra Lowell Ahart; Josephine Guardino 2016-4-19 20765 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the east edge of the gravel road, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles southwest of Stockton. 160 Comment
  UC691776  Hypochaeris glabra Mary L. Bowerman 1933-5-25 2184 Contra Costa 411 Comment
  CDA7491  Hypochaeris radicata Goodwin, M. K. Bellue 1932-5-6 Contra Costa 0 Comment
  CAS-BOT-BC133497  Iris Walter Knight; Joanne Dean 1978-8-14 3152 Contra Costa Browns Island Comment
  CAS-BOT-BC133498  Iris Walter Knight; Joanne Dean 1978-8-14 3152 Contra Costa Browns Island Comment
  JEPS77005  Iris douglasiana Robert M. Lloyd 1963-3-17 2134 Contra Costa 0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline (across from 7090 Skyline), Huckleberry trail) Comment
  UC2028408  Iris pseudacorus Barbara Ertter with Richard K. Brummitt 1998-5-16 16096 Contra Costa Antioch Marina, edge of brackish marsh Comment
  UC1616163  Isoetes howellii Terry O'Brien 1997-3-19 3108 A Contra Costa Vasco Caves, approx. 1 mi W of North Vasco Road and 1 mi N of Alameda-Contra Costa county line; access from North Vasco Road ca. 3 mi N of county line 152 Comment
  UC613042  Jaumea carnosa C. W. Sharsmith 1933-9-15 476 Contra Costa saline marshlands near Carquinez Straits; San Pablo Bay Comment
  JEPS21838  Juglans californica var. hindsii Bryce G. Decker 1958-5-17 88 Contra Costa bank of slough 1 mi s Four Corners (se of Concord); former course of Walnut Creek Comment
  CAS-BOT-BC102304  Juglans hindsii Lewis S. Rose 1936-4-24 36140 Contra Costa Marsh Creek, 5 mi. E. of Clayton 60 Comment
  CHSC97914  Juncus balticus D. G. Kelch 2006-6-14 06 .334 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. 24 Comment
  UCD141351  Juncus balticus subsp. ater M. Wiesendanger 1926-5-1 1472 Contra Costa near Richmond. Comment
  JEPS100049  Juncus bufonius A. Langston 2003-6-6 AL 39 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  POM300636  Juncus effusus subsp. pacificus Mary L. Bowerman 1938-6-30 3705 Contra Costa Plants of Mount Diablo; Indian Ceremonial Spring. Comment
  SEINET3880292  Juncus nevadensis Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4979 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UC2028546  Juncus occidentalis Barbara Ertter 1998-4-4 15950 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, grasslands along creek south of Indian Valley School. Comment
  UC691915  Juncus patens Mary L. Bowerman 1933-11-9 2469 Contra Costa West Sheepherders' Spring Mount Diablo 701 Comment
  SEINET6174583  Juncus phaeocephalus L. Koch 1940-6-5 1004 b Contra Costa Two milees south of San Rafael Ferry Dock Comment
  JEPS102895  Juncus phaeocephalus var. paniculatus Barbara Ertter 1998-5-3 16061 Contra Costa below Stage Road SE of Turtle Rock ponds Mount Diablo 304 Comment
  JEPS67063  Juncus phaeocephalus var. paniculatus W. L. Jepson 1918-6-15 7675 Contra Costa Wild Cat Creek Comment
Read comments Jul 28 2008
  UC1818996  Juncus xiphioides Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14630 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; along stream above stable, riparian vegetation. 91 Comment
  CAS-BOT-BC80924  Juniperus californica John Thomas Howell 1923-11-13 239 Contra Costa Mt. Diablo 914 Comment
  UC521718  Juniperus californica Joseph Andorfer Ewan 1933-10-15 8038 Contra Costa sw slope Mt. Diablo 1066 Comment
  UC78  Juniperus californica Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  POM212437  Juniperus californica Joseph A. Ewan 1933-10-15 8038 Contra Costa SW slope of Mt Diablo. 1067 Comment
  SEINET10531625  Juniperus californica Lewis S. Rose 1936-11-22 Rose 36781 Contra Costa Mt. Diablo. Dry slopes. 760 Comment
  CAS-BOT-BC235872  Keckiella corymbosa Paul F. Covel 1938-7-1 1472 Contra Costa Summit Mt. Diablo Comment
  UCD19084  Kochia scoparia subsp. scoparia Clyde Elmore 1983-7-20 s.n. Contra Costa Contra Costa County. Comment
  POM300736  Koeleria macrantha Mary L. Bowerman 1932-4-16 1354 Contra Costa Eagle Point ridge above Twin Peaks ('1682' point) Comment
  UC1132144  Koeleria macrantha C. M. Belshaw 1936-5-8 2068 Contra Costa se slope Mount Diablo; Mount Diablo Quad., se slope of Mt. Diablo Comment
  UC585510  Koeleria macrantha Virginia E. Long 1933-6-14 223 a Contra Costa between Curry Cave trail canyon and W. Fork Mt. Diablo; , btw Curry Cave trail canyon and W. Fork Comment
  CAS-BOT-BC273611  Koeleria pyramidata Mary L. Bowerman 1933-6-14 2274 Contra Costa Mount Diablo. Curry-Cave canyon: Ridge between two main forks, at north end of flat at upper end Comment
  CAS-BOT-BC273613  Koeleria pyramidata Mary L. Bowerman 1933-5-3 1983 Contra Costa Mount Diablo. Indian Ceremonial Canyon 731 Comment
  CAS-BOT-BC499189  Kopsiopsis strobilacea D. E. Breedlove 1970-1-21 17141 Contra Costa Canyon above Moraga Comment
  JEPS99525  Lactuca saligna Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo. By hillside near Chase Pond. Comment
  UC691804  Lactuca saligna Mary L. Bowerman 1932-11-26 1676 Contra Costa Maple Spring; Mount Diablo Comment
  JEPS100181  Lactuca serriola A. Langston 2003-8-26 AL 85 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC340536  Lactuca serriola Walter Knight 1978-10-4 3315 Contra Costa Browns Island Comment
  RSA40156  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. 244 Comment
  JEPS111661  Lagophylla ramosissima A. G. Murdock 2004-5-28 270 Contra Costa Pinole Peak 205 Comment
  UC691493  Lagophylla ramosissima Mary L. Bowerman 1933-5-4 1992 Contra Costa Fossil Ridge Comment
  JEPS128773  Lamarckia aurea Kevin Hintsa 2000-6-5 Contra Costa 3101 Finley Road at SE base of Mount Diablo. Comment
  UCD125108  Lamium amplexicaule Terri Williamson 1990-4-15 9 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  CAS-BOT-BC412725  Lastarriaea coriacea James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC412726  Lastarriaea coriacea Alice Eastwood 1921-4-18 10275 Contra Costa Antioch Comment
  RSA523885  Lasthenia californica Barbara Ertter, Jim Jokerst, D. Magney 1989-4-5 8119 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  JEPS10187  Lasthenia californica subsp. californica W. L. Jepson 1923-4-22 9874 Contra Costa open hillsides and slopes Mount Diablo Comment
  UC1728009  Lasthenia conjugens R. Ornduff 1998-5-10 10186 Contra Costa pasture on N side of Hwy 4 and e of I-80 Comment
  CAS-BOT-BC324481  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  CDA8115  Lasthenia fremontii D. G. Kelch 1992-3-21 1826 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  JEPS17885  Lasthenia fremontii Rimo Bacigalupi with G. T. Robbins 1956-3-26 5533 Contra Costa just s of S. P. R. R. crossing on rd. to Bethany 2.5 mi s of Byron; Head of Italian Slough 6 Comment
  JEPS65187 Image available Lasthenia fremontii L. R. Heckard 1971-4-15 2480 Contra Costa s Byron (at intersection of Holey Rd) Comment
  UC90074  Lasthenia fremontii E. L. Greene 1884-4-1 Contra Costa Byron Springs Comment
  CAS-BOT-BC353327  Lasthenia fremontii Niall McCarten; V. I. Dains 1986-1-1 107 Contra Costa In grassland, E of Byron Hot Springs Road. Comment
  CAS-BOT-BC353328  Lasthenia fremontii Niall McCarten 1986-4-14 5223 Contra Costa Vernal pools, N end of Byron Hot Springs Road. Cliften Court Quad Sect. 10. Comment
  POM55152  Lasthenia fremontii C. F. Baker 1903-4-27 2867 Contra Costa Byron. Comment
  RSA107033  Lasthenia fremontii L. S. Rose 1956-4-16 56016 Contra Costa 2 miles SE of Byron 8 Comment
  RSA523884  Lasthenia fremontii Barbara Ertter, Jim Jokerst, D. Magney 1989-4-5 8136 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  POM52865  Lasthenia glaberrima A. D. E. Elmer 1903-05 4321 Contra Costa Walnut Creek Comment
  UCD23266  Lasthenia glabrata Ramona Robison 2003-4-17 s.n. Contra Costa The Pantages property is located in Contra Costa County, north of Highway 4, west of Discovery Bay subdivision and Kellogg Creek, and immediately east of the end of Point of Timber Road. It is on the Woodward Island topographic quad. Comment
  CAS-BOT-BC352771  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-5-14 11240 Contra Costa St. Mary's College Comment
  CAS-BOT-BC352773  Lasthenia glabrata subsp. glabrata Mary L. Bowerman 1933-4-15 1865 Contra Costa Canyon S of Arroyo del Cerro, 1400 feet? below spring Comment
  JEPS127673  Lasthenia gracilis Barbara Ertter with David Gowen and Michael Park 2017-5-2 22806 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UC566714  Lasthenia gracilis H. L. Mason 1929-3-31 5154 Contra Costa along San Joaquin River; , Antioch Comment
  UC2028062  Lasthenia microglossa Barbara Ertter, Tony Morosco 1998-4-12 16012 Contra Costa Mount Olympia on north side of Mount Diablo. Comment
  CAS-BOT-BC366303  Lasthenia minor Alice Eastwood 1914-3-17 3830 Contra Costa Byron Springs Comment
  JEPS81844  Lasthenia platycarpha Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-10 6967 Contra Costa 1 mi se Byron (in fields e of Byron road) 6 Comment
  UCD106240  Lathyrus jepsonii var. californicus R. N. Raynor 1939-4-15 s.n. Contra Costa Near San Ramon. Comment
  JEPS112342  Lathyrus vestitus var. vestitus Dean G. Kelch and Andrew G. Murdock 2004-4-25 04 .120 Contra Costa Martinez - West: Ozol Rock and Scenic Drive; County: contra Costa; Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr. Comment
  JEPS55375  Lathyrus vestitus var. vestitus W. L. Jepson 1918-6-5 7615 Contra Costa Donner Canyon Mt. Diablo 701 Comment
  UC692314  Lathyrus vestitus var. vestitus Mary L. Bowerman 1932-4-16 1362 Contra Costa Eagle Point ridge, n of 1682 point Mount Diablo Comment
  JEPS87986  Lavatera cretica Barbara Ertter 1991-5-12 9813 Contra Costa sw corner El Cerrito (Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay, Point Isabel Regional Shoreline Comment
  CAS-BOT-BC323911  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  UC1543175  Layia chrysanthemoides Donald G. Nelson 1937-3-30 475 Contra Costa Railroad tracks, paralleling the highway s Byron (on road to Tracy) Comment
  UC30593  Layia chrysanthemoides Harley P. Chandler 1901-3-22 879 Contra Costa Rodeo Canyon San Francisco Bay Region, Rodeo Canyon Comment
  UC2042962  Layia gaillardioides Barbara Ertter with D. Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup 2005-5-8 18569 Contra Costa Ginochio property on west side of Mount Diablo, connector road across serpentine ridge from Olofson Homestead to Government Road. Comment
Read comments Feb 13 2016
  UC30632  Layia glandulosa J. Burtt Davy 1895-4-7 878 Contra Costa Antioch Comment
  UC761860  Layia glandulosa R. F. Hoover 1935-3-10 315 Contra Costa Antioch Comment
  UC202677  Layia glandulosa unknown 1889-4-15 Contra Costa Comment
  CAS-BOT-BC327246  Layia hieracioides John Thomas Howell 1940-4-21 15405 Contra Costa Pine Canyon, Mt. Diablo Comment
  CAS-BOT-BC327245  Layia hieracioides M. K. Curran 1884-1-1 s.n. Contra Costa Plants of Mount Diablo. South of Turtle Rock, pool east of main pond: In belt of Eleocharia palustris. Comment
  CAS-BOT-BC370667  Layia platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch Comment
  CAS-BOT-BC370670  Layia platyglossa Mary L. Bowerman 1935-4-26 2916 Contra Costa Mount Diablo. Ridge west of Indian Ceremonial Spring. 1005 Comment
  OBI48835  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC30667  Layia platyglossa R. C. Marsh 1900-4-5 Contra Costa Antioch Comment
  UC518017  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC697152  Layia platyglossa Mary L. Bowerman 1935-4-26 2918 Contra Costa summit Mount Diablo Comment
  UC89330  Layia platyglossa Brandegee Apr 1889 Contra Costa Antioch Comment
  CAS-BOT-BC370668  Layia platyglossa Mary L. Bowerman 1931-4-19 737 Contra Costa Mount Diablo. Ridge south of Deer Flat. 838 Comment
  CAS-BOT-BC377912  Layia platyglossa J. Clausen 1936-4-18 1174 Contra Costa Summit Mt. Diablo along S. side of trail to Devil's Pulpit Comment
  UC1795717  Layia platyglossa Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14589 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  CDA31884  Leersia oryzoides D. G. Kelch 2007-11-13 7 .656 Contra Costa Carquinez Strait; Old brick factory 1.2 km SE of Port Costa. Comment
  UCD63599  Leersia oryzoides Malcolm A. Nobs 1948-9-23 681 Contra Costa Rock Slough, 7 mi. south of Kingston. Comment
  UC2032848  Lemna Doran, Andrew Scott 2012-3-20 719 Contra Costa Southern part of Brooks Island, west side of quarry in pool. Comment
  UC2028381  Lemna minor Barbara Ertter 1998-6-20 16244 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Bob Pond at Old Borges Ranch Comment
  UC2027954  Lemna minor Barbara Ertter with Joanne Kerbavaz 2000-8-20 17504 Contra Costa Frog Pond on southeast side of Mount Diablo. Comment
  JEPS63250  Lepechinia calycina W. L. Jepson 1920-8-12 9077 Contra Costa Mount Diablo, towards summit Mount Diablo Comment
  JEPS78824  Lepechinia calycina Edward Lee 1936-5-24 2166 Contra Costa 10 mi from Marsh Creek Road (Morgan Territory); Morgan Territory Comment
  RSA83333  Lepechinia calycina F. W. Peirson 1923-7-1 3832 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC88702  Lepidium acutidens Alice Eastwood 1914-3-14 3771 Contra Costa Byron Springs. Comment
  CDA43402  Lepidium acutidens Michael Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa South end of the Byron Airport. Comment
  CAS-BOT-BC88703  Lepidium acutidens John Thomas Howell 1933-3-29 10894 Contra Costa Nortonville. Comment
  RSA0033849  Lepidium coronopus Barbara Ertter 1999-7-17 16762 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  CDA24907  Lepidium dictyotum var. acutidens Jim Jokerst 1989-3-29 3069 Contra Costa 0.25 mile south of Byron Hot Springs, northeast of Livermore. 0 Comment
  RSA0029768  Lepidium didymum Barbara Ertter 1990-5-15 8991 Contra Costa South El Cerrito, north foot of Albany Hill at end of Yosemite Avenue cul-de-sac. Comment
  UC1607702  Lepidium latifolium Barbara Ertter 1991-5-12 9810 Contra Costa sw corner El Cerrito (n of park); San Francisco Bay, Point Isabel Regional Shoreline Comment
  JEPS25391  Lepidium latipes Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7005 Contra Costa 8 mi s Antioch (just off Deer Valley Road); Briones Valley 79 Comment
  UC10641  Lepidium latipes W. H. Brewer 1862-4-24 985 Contra Costa Camp 68 Martinez Comment
  UC1179007  Lepidium latipes Francia Chisaki, Rimo C. Bacigalupi, and G. Thomas Robbins 1959-4-14 1320 Contra Costa 8 mi s Antioch (on Deer Valley Road, 0.2 mi s of junction with Briones Valley Road) Comment
  CAS-BOT-BC89892  Lepidium nitidum Alice Eastwood 1914-3-14 3775 Contra Costa Byron Springs. Comment
  SD131818  Lepidium nitidum Barbara Ertter, Jokerst and Magney 1989-4-5 8123 Contra Costa Alkali sink west and adjacent to Clifton Court Forebay, ca. 15 air miles southwest of Stockton Comment
  UC10671  Lepidium nitidum J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC1362354  Lepidium nitidum Olive Dyer 1936-3-25 214 Contra Costa e side Wildcat Canyon Comment
  UC1563902  Lepidium nitidum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8123 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.); se Contra Costa Co. Comment
  CAS-BOT-BC12551  Lepidium nitidum R. E. Frenkel 1964-2-5 357 Contra Costa On Morgan Territory Road, 0.2 mile south of summit. 609 Comment
  JEPS53698  Lepidium nitidum W. L. Jepson 1922-4-16 9601 Contra Costa San Pablo Valley Comment
  RSA34732  Lepidium nitidum R. C. Rollins 1946-3-25 3044 Contra Costa Western slope of Mount Diablo. Comment
  UC10608  Lepidium oxycarpum J. Burtt Davy 1898-4-8 4263 Contra Costa Danville Comment
  CDA29774  Lepidium strictum D. G. Kelch, A. G. Murdock 2003-3-21 3 .044 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  JEPS99536  Lepidium strictum Mary L. Bowerman 1995-5-28 Contra Costa Mount Diablo, fire road from Macedo Ranch to Wall Pt. Ridge. Comment
  UCD32383  Leptosiphon ciliatus Beecher Crampton 1950-4-22 527 Contra Costa Contra Costa County, above Judsonville, south of the old Empire Mine around top and slopes of hills. 182 Comment
  CAS-BOT-BC324111  Lessingia glandulifera var. glandulifera T. S. Brandegee 1883-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324113  Lessingia glandulifera var. glandulifera James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UC2029023  Leucanthemum vulgare Barbara Ertter 1999-7-17 16761 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  RSA59614  Lewisia rediviva Verne Grant, Alva Grant 1950-5-13 8895 Contra Costa Saddle between N & Meridian peaks, Mt. Diablo. Comment
  UC1103210  Leymus X multiflorus Joseph P. Tracy 1932-9-10 10787 Contra Costa Franklin Canyon North Coast Ranges (head, on Pinole-Martinez Rd) 152 Comment
  CAS-BOT-BC272279  Leymus X multiflorus Barrett Anderson 1987-7-23 3562 Contra Costa Building site on San Pablo Road at Garrity Creek, Pinole 45 Comment
  UC2029155  Leymus X multiflorus Barbara Ertter 2000-7-29 17448 Contra Costa lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo. Comment
  CAS-BOT-BC283732  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Pt Richmond on San Francisco Bay Comment
  CDA32469  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Point Richmond on San Francisco Bay. 0 Comment
  RSA108325  Leymus triticoides Frank W. Gould 1941-5-8 1289 Contra Costa Wastelands along Bay at Winehaven (near Richmond) Comment
  CAS-BOT-BC272212  Leymus triticoides Mary L. Bowerman 1933-9-23 2447 Contra Costa Indian Ceremonial Canyon near spring, Mount Diablo Comment
  UC2029157  Leymus triticoides Barbara Ertter 2000-7-29 17448 a Contra Costa Lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo. Comment
  JEPS65188  Lilaea scilloides L. R. Heckard 1971-4-15 2479 Contra Costa s of Byron (at intersection of Holey Road) Comment
  UC2029177  Lilaea scilloides Barbara Ertter with Alan Prather 2003-6-7 18191 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo. Comment
  CDA9513  Lilaeopsis masonii D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .24 Contra Costa CA Delta; Along Clifton Court Near Clifton Court Forebay. Comment
  JEPS21834  Limnanthes douglasii subsp. rosea Bryce G. Decker 1958-4-13 39 Contra Costa junction of Holey Road and Byron Highway Comment
  SEINET1909954  Limnanthes douglasii var. rosea Barbara Ertter, Jim Kokerst, Dave Magney 1989-1 8115 Contra Costa San Diendo Co.: Black Mt. N Romona along clevland NF Rd 11S04 2.3 mi from Pamo Valley Rd, roadcut. 457 Comment
  CDA33335  Limnobium laevigatum Paul Ryan/Alan Hyde 2010-10-4 PDR# 1596381 Contra Costa Near Rio Vista; tidal waterway, 200 yards from deep water channel 0 Comment
  CDA33337  Limnobium laevigatum Robin Breckenridge 2010-10-1 PDR# 5059100 Contra Costa North edge of Bradford Island. 0 Comment
  JEPS20265  Limonium californicum W. L. Jepson 1922-7-9 9730 Contra Costa Richmond Comment
  RSA721868C  Limonium sinuatum Barbara J. Ertter, Brad Olson 1994-5-7 12767 Contra Costa Western Drive to Point Molate, NW of Richmond -San Rafael bridge to toll plaza. Roadside near entrance to Point Molate Naval site. Comment
  JEPS58158  Linanthus androsaceus W. L. Jepson 1891-1 20906 Contra Costa Fish Ranch Berkeley Hills Comment
  JEPS99519  Linanthus androsaceus Mary Bowerman 1977-5-29 Contra Costa Mount Diablo. Russellmann Park. Comment
  UC2028267  Linanthus androsaceus Barbara Ertter 1999-6-12 16712 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore Creek. Comment
  JEPS58248  Linanthus bicolor Mary L. Bowerman 1931-3-29 625 Contra Costa n side, 500 ft from top Cave Point; Mount Diablo Comment
  UC30155  Linanthus ciliatus W. H. Brewer 1862-5-22 1138 Contra Costa e of Mount Diablo Comment
  UC932049  Linanthus ciliatus Verne Grant and Alva Grant 1948-5-15 8503 Contra Costa on Sommerville to Antioch road; Sommerville Range Comment
  CDA33832  Linanthus ciliatus D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .108 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UC23464  Linanthus ciliatus Brewer 1862-5-22 1138 Contra Costa Comment
  UC1047918  Linanthus liniflorus Kay H. Beach 1941-4-30 1083 Contra Costa near Byron Hot Springs Station Comment
  UC615173  Linanthus liniflorus Beryl O. Schreiber 1932-3-27 155 Contra Costa Byron Hot Springs Comment
  JEPS123317  Linanthus parviflorus David Gowen with Chris Thayer 2010-4-30 1090 Contra Costa North of Briones Reservoir. Rocky area on hill above Oursan Trail just west of its junction with Hampton Trail. Comment
  UC1051315  Linaria purpurea N. Floy Bracelin 1941-6-22 1412 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS112262  Lithophragma affine A. G. Murdock 2004-4-30 265 Contra Costa Vaca Canyon Comment
  UC692421  Lithophragma affine Mary L. Bowerman 1932-3-27 1135 Contra Costa below Mitchell Rock Comment
  JEPS108396  Lithophragma affine David Gowen 2005-4-25 265 Contra Costa Mt. Diablo State Park. Prospectors Gap Rd., just east of Prospectors Gap. Comment
  UC114988  Lithophragma bolanderi T. S. Brandegee Apr 1889 Contra Costa Comment
  UC11926  Lithophragma cymbalaria J. Burtt Davy 1895-4-7 906 Contra Costa Antioch Comment
  UC2028178  Lithophragma heterophyllum Barbara Ertter 1998-5-3 16041 a Contra Costa Dusty Road at north end of Wall Point Ridge, southwest flank of Mount Diablo. Comment
  UC34597  Logfia filaginoides J. P. Tracy 1900-3-24 618 A Contra Costa Point Richmond San Francisco Bay region, Point Richmond 15 Comment
  UC912261  Logfia filaginoides Lucile Mason 1934-4-8 Contra Costa Marsh Creek- Livermore Road; Curry Creek Comment
  JEPS100141  Logfia gallica G. Smick 2003-4-29 GAS 152 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  POM301851  Lolium perenne subsp. multiflorum Mary L. Bowerman 1938-5-25 3630 Contra Costa Arroyo del Cerro, by North Road 110 Comment
  UC2027938  Lomatium caruifolium Barbara Ertter with Tony Morosco and other CNPS members 2001-5-6 17624 Contra Costa Northwest flank of Mount Diablo, Globe Lily Trail paralleling Mitchell Canyon Road. Comment
  UC659029  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1164 Contra Costa 3 mi S of Byron (along highway) Comment
  UCD150873  Lomatium caruifolium var. caruifolium P. B. Kennedy 1914-3-15 4625 Contra Costa Sunset Cemetery. Comment
  UC763127  Lomatium dasycarpum subsp. dasycarpum R. F. Hoover 1939-4-13 4017 Contra Costa Markley Canyon, head of W branch Comment
  POM301010  Lomatium macrocarpum Mary L. Bowerman 1931-4-25 762 Contra Costa Mt. Diablo, near junction of south and west roads Comment
  UCD102387  Lomatium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 920 Comment
  CAS-BOT-BC240419  Lonicera hispidula Alice Eastwood 1915-6-21 4732 Contra Costa San Leandro Comment
  JEPS22791  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa levee at e end Jersey Island Comment
  UC650409  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa levee on e end Jersey Island Comment
  UC691485  Lonicera subspicata var. denudata Mary L. Bowerman 1931-6-4 922 Contra Costa summit Mount Diablo (on n face) Comment
  JEPS99996  Lotus corniculatus A. Langston 2003-7-2 AL 58 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA45488  Lotus corniculatus J. C. Roos 1948-9-6 4023 Contra Costa San Joaquin St., Antioch. Comment
  UC1129013  Lotus purshianus var. purshianus C. M. Belshaw 1936-5-13 2123 Contra Costa n of Horse Valley; Mt. Diablo Quad. 121 Comment
  UC692268  Lotus purshianus var. purshianus Mary L. Bowerman 1938-6-14 3676 Contra Costa 1 mi from North Gate (North Road); Mount Diablo 121 Comment
  JEPS75468  Lotus scoparius P. F. Yorks 1975-5-15 402 Contra Costa n of Briones Reservoir (ca 1.5 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve) Comment
  UC692270  Lotus scoparius Mary L. Bowerman 1932-9-24 1589 Contra Costa ridge running w from Twin Peaks; Mount Diablo 335 Comment
  JEPS55877  Lotus strigosus Chesnut and Drew 1890-4-18 Contra Costa Antioch Comment
  UC555418  Lotus strigosus H. L. Mason 1932-3-20 6839 Contra Costa Antioch Comment
  JEPS55826  Lotus wrangelianus A. M. Ottley 1920-6-5 779 Contra Costa below Moraga Ridge Comment
  JEPS55832  Lotus wrangelianus W. L. Jepson 1922-5-11 9636 Contra Costa North Berkeley Hills Comment
  JEPS55837  Lotus wrangelianus W. L. Jepson May 22 1891-May 23 1891 13796 Contra Costa Mt. Diablo Comment
  UC692323  Lotus wrangelianus Mary L. Bowerman 1932-4-9 1320 Contra Costa on large spur which heads into Sycamore Canyon; Mount Diablo, Inner Black Hills Comment
  UC692325  Lotus wrangelianus Mary L. Bowerman 1933-5-25 2189 Contra Costa w end of s face Osyter Ridge; Mount Diablo 396 Comment
  JEPS64909  Lupinus albifrons W. L. Jepson 1931-4-5 15724 Contra Costa Oakley part of Antioch sand-dune formation, Oakley 18 Comment
  JEPS75465  Lupinus albifrons P. F. Yorks 1974-3-22 120 Contra Costa on Hampton Road ca 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir Comment
  OBI19269  Lupinus albifrons Neil Havlik 1968-3-25 90 Contra Costa Big Springs Cyn, Charles lee Tilden regional park, E of Berkeley Comment
  UC750647  Lupinus albifrons Lewis S. Rose 1946-4-1 46023 Contra Costa above Wildcat Creek (Berkeley Hills); , above Wildcat Creek 396 Comment
  CAS-BOT-BC201367  Lupinus albifrons var. albifrons Peter Rubtzoff 1954-9-14 1761 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  CAS-BOT-BC201368  Lupinus albifrons var. albifrons Alice Eastwood 1921-4-18 10282 Contra Costa Antioch Comment
  CAS-BOT-BC201377  Lupinus albifrons var. albifrons James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  POM10982  Lupinus albifrons var. albifrons C. F. Baker 1903-4-25 2823 Contra Costa Antioch. Comment
  UC15780  Lupinus albifrons var. albifrons F. P. McLean March 1875 Contra Costa Mt. Diablo Comment
  UC692521  Lupinus albifrons var. albifrons Mary L. Bowerman 1931-4-25 785 Contra Costa between junction of one-way roads and top Meridian Peak summit (Mount Diablo); , Meridian Peak summit 1158 Comment
  UC864974  Lupinus albifrons var. albifrons Lewis S. Rose 1935-5-16 35162 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC201370  Lupinus albifrons var. albifrons A. A. Heller 1928-4-15 14517 Contra Costa Along the San Joaquin River at Antiock [Antioch] Comment
  CAS-BOT-BC201378  Lupinus albifrons var. albifrons Charles Piper Smith 1947-11-10 47710 Contra Costa Crow Creek Canyon Road - San Ramon. Field 0.9 miles southwest Comment
  UC579856  Lupinus arboreus Annetta Carter 1936-4-19 1119 Contra Costa Red Rock; San Francisco Bay, Red Rock Comment
  CDA27418  Lupinus bicolor D. G. Kelch, A. G. Murdock 2005-4-24 5 .166 Contra Costa Carquinez Strait Region; Franklin Canyon. Collier Hill. West Carbon. Comment
  CHSC21618  Lupinus bicolor Willis Ball 1974-4-21 428 Contra Costa Contra Loma Regional Park. In area #1. On n side of road leading to main parking lot ca. 150 yds e of lot. One yd. n of road. 38 Comment
  UC33551  Lupinus bicolor V. King Chesnut 1888-4-14 Contra Costa Moraga Valley Comment
  UC33589  Lupinus bicolor J. P. Tracy 1900-3-24 624 Contra Costa Point Richmond San Francisco Bay, Point Richmond (Dry Hill) 15 Comment
  UCD107322  Lupinus bicolor L. S. Smith 1916-5-10 s.n. Contra Costa Grand View Terrace - m. Richmond. Comment
  RSA32778  Lupinus bicolor subsp. tridentatus A. A. Heller 1938-4-9 15019 Contra Costa Near the west end of the Antioch bridge. Comment
  JEPS12790  Lupinus chamissonis Rimo Bacigalupi with G. T. Robbins 1955-5-4 4980 Contra Costa just e Antioch (along San Joaquin River front); , e of Antioch 9 Comment
Read comments May 25 2007
  UCD151190  Lupinus chamissonis James A. Neilson Jr. 1974-8-13 3024 Contra Costa west end of Bradford Island. (Elevation estimated using Google Earth by label maker.) 0 Comment
  SEINET10937078  Lupinus densiflorus Frenkel 1964-4-18 FRENKEL 425 Contra Costa 2.1 mi. I of danville on tassajara rd. 130 Comment
  UC692677  Lupinus formosus Mary L. Bowerman 1931-10-5 1054 Contra Costa Marsh Creek at Curry Canyon; Mount Diablo, Marsh Creek at Curry Canyon 231 Comment
  JEPS112361  Lupinus formosus var. formosus Dean G. Kelch and Andrew G. Murdock 2004-5-28 287 Contra Costa Pinole Peak; County: Contra Costa. Comment
  RSA720840  Lupinus formosus var. formosus Barbara Ertter, Dianne Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14674 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay. Comment
  UC1543065  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa Marsh Creek Road n Byron; Marsh Creek Road Comment
  UC1607963  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa e of Mount Diablo (n of Byron along Marsh Creek Road); Marsh Creek Road 60 Comment
  UC201013  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201015  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201017  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Vigorit Powder Works; near Vigorit Powder Works Comment
  SD103749  Lupinus microcarpus var. densiflorus Walter Knight, Irja Knight 1979-6-8 3397 Contra Costa San Pablo Dam Road between Orinda & El Sobrante Comment
  UCD108697  Lupinus microcarpus var. densiflorus August Hartman 1960-4-19 15 D Contra Costa North Gate Road, Mt. Diablo. 304 Comment
  SJSU10780  Lupinus microcarpus var. microcarpus D. C. Bettencourt 1959-4-18 Contra Costa Mt Diablo Foothills 304 Comment
  UC1300900  Lupinus microcarpus var. microcarpus Helen K. Sharsmith 1963-4-7 5287 Contra Costa e side of Kirker Pass road w Antioch; San Francisco Bay Region, w of Antioch 152 Comment
  UC15961  Lupinus microcarpus var. microcarpus J. Burtt Davy April 1895 Contra Costa Antioch Comment
  UC201024  Lupinus microcarpus var. microcarpus Katharine Brandegee June 1918 Contra Costa El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St. Comment
  UC201026  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-16 Contra Costa Richmond Annex Comment
  UC692260  Lupinus microcarpus var. microcarpus Mary L. Bowerman 1933-4-15 1860 Contra Costa second ridge se Arroyo del Cerro Arroyo del Cerro, Mount Diablo; Mount Diablo 396 Comment
  UC692572  Lupinus microcarpus var. microcarpus Mary L. Bowerman 1931-4-4 657 Contra Costa North Road 4.5 mi from North Gate Mount Diablo (bank above road); Mount Diablo Comment
  SBBG45227  Lupinus microcarpus var. microcarpus Leota Davidson 1966-5-2 335 Contra Costa Hwy 24 near Claremont Hotel, Berkeley hills Comment
  UCD109246  Lupinus nanus L. S. Smith 1916-5-10 s.n. Contra Costa Grand View Terrace - m. Richmond. Comment
  UC1129668  Lupinus pachylobus R. C. Wilson 1935-3-19 139 Contra Costa 2 mi nw Wall Pt.; Mt. Diablo Comment
  CDA37273  Lupinus succulentus D. G. Kelch 2011-3-31 11 .078 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  JEPS75467  Lupinus succulentus P. F. Yorks 1974-4-6 125 Contra Costa on Hampton Road ca 1.7 km s Bear Creek Road (in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir 180 Comment
  PASA1681  Lupinus succulentus Annetta Carter 1929-3-31 Contra Costa Hills north of Mt. Diablo, near Clayton Comment
  UCD32374  Lupinus succulentus Beecher Crampton 1950-4-12 510 Contra Costa 1 mile south of Richmond, intersection of Cutting Blvd. and Carlson Blvd., singular path along S.P. railroad right of way. 22 Comment
  JEPS120275  Lychnis coronaria Barbara Ertter 2012-10-27 21293 Contra Costa entrance gate to Golf Course Trail in Tilden Regional Park 370 Comment
  JEPS107094  Lycopus americanus Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10876 Contra Costa Dow Wetlands Preserve, just w. Antioch marina, e. end of marsh across from marina Comment
  UC692634  Lythrum californicum Mary L. Bowerman 1930-6-28 392 Contra Costa Mount Diablo, Lower Silver Spring Lower Silver Spring; Mount Diablo, Lower Silver Spring Comment
  JEPS112520  Lythrum hyssopifolia D. G. Kelch 2003-6-22 03 .90 Contra Costa Rodeo - Lone Tree Point 2 Comment
  UC692686  Lythrum hyssopifolia Mary L. Bowerman 1933-8-2 2391 Contra Costa Mount Diablo, Sheep Camp Spring Sheep Camp Spring; Mount Diablo, Sheep Camp Spring Comment
  UCR263783  Lythrum tribracteatum Barbara Ertter, Brad Olson 1991-9-28 10834 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UC2028242  Lythrum tribracteatum Barbara Ertter, Tony Morosco 1998-9-18 16422 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, western quarry area. Comment
  CAS-BOT-BC342682  Madia elegans Alice Eastwood 1915-5-30 4462 Contra Costa Mt. Diablo Comment
  UCD102388  Madia elegans Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 1000 Comment
  UC2028023  Madia elegans Barbara Ertter 1997-9-14 15811 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  UC691549  Madia exigua Mary L. Bowerman 1932-4-27 1400 Contra Costa canyon w Riggs Canyon (s face Oyster Ridge); Mount Diablo 350 Comment
  UC89385  Madia exigua Katharine Brandegee May 1885 Contra Costa Antioch Comment
  CDA8271  Madia gracilis D. G. Kelch, A. G. Murdock 2005-5-6 5 .222 Contra Costa Carquinez Strait; East of Christie Road. South of Route 4, Franklin Canyon. Comment
  JEPS111637  Madia gracilis A. G. Murdock 2003-6-2 76 Contra Costa Crockett - 5th St. Prairie 85 Comment
  UC517457  Madia gracilis John Thomas Howell 1933-5-14 11266 Contra Costa hills e St. Mary's College Comment
  UC691766  Madia gracilis Mary L. Bowerman 1935-5-22 3052 Contra Costa saddle w Twin Peaks (Eagle Point ridge); Mount Diablo Comment
  UC2027835  Madia gracilis Barbara Ertter 2001-5-10 17636 Contra Costa North flank of Mount Diablo, SE of Mitchell Canyon trailhead, on traversing road to Mitchell Rock Trail. Comment
  UC2029134  Madia gracilis Barbara Ertter with Mike Park, David Gowen, and Victoria Seidman 2004-5-26 18369 Contra Costa Curry Canyon between Alder Creek and Rhine Canyon, south side of Mount Diablo. Comment
  UC1555376  Madia sativa Jerry Powell 1988-6-28 1540 Contra Costa area along railroad west Richmond, Point Molate Comment
  CAS-BOT-BC343584  Madia sativa Keck 1933-11-2 2614 Contra Costa 1 mile W. of Avon Comment
  UC2027972  Madia sativa Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15664 Contra Costa Point Richmond, crest of road. Comment
  CHSC117387  Malacothamnus fasciculatus Barbara Ertter; Tony Morosco 1998-9-18 16417 Contra Costa West edge Lime Ridgde Open Space northwest of Mount Diablo, chaparral at base of hills. Comment
  UC2028245  Malacothamnus fasciculatus Barbara Ertter, Tony Morosco 1998-9-18 16417 Contra Costa West edge Lime Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC206329  Malacothamnus fremontii Walter Knight; Irja Knight 1967-4-2 s.n. Contra Costa Nortonville. Comment
  CAS-BOT-BC206334  Malacothamnus fremontii John Thomas Howell; T. H. Kearney 1950-7-5 26635 Contra Costa Nortonville. Comment
  UC109097  Malacothamnus fremontii T. S. Brandegee Apr 1889 Contra Costa antioch Comment
  CAS-BOT-BC204095  Malacothamnus hallii John Thomas Howell; T. H. Kearney 1950-7-5 26634 Contra Costa On North Road, Mt. Diablo 259 Comment
  CAS-BOT-BC204096  Malacothamnus hallii John Thomas Howell; T. H. Kearney 1950-7-5 26634 Contra Costa On North Road, Mt. Diablo 259 Comment
  SEINET5047666  Malacothamnus hallii Unknown 1916-5-30 301 Contra Costa Mt. Diablo, Contra Costa County, on the westerly side N of Pine Canon, Comment
  UC1795741  Malacothamnus hallii Barbara Ertter, Tom Delendick 1996-5-2 14610 Contra Costa Mount Diablo State Park, North Gate Rd. near base of Long Ridge, at old developed spring, mixed scrub. 182 Comment
  CAS-BOT-BC345270  Malacothrix californica Kellogg No date on label s.n. Contra Costa Antioch Comment
  UC691437  Malacothrix clevelandii Mary L. Bowerman 1933-4-26 1909 Contra Costa Mount Diablo North Peak Ridge ese North Peak; Mount Diablo, North Peak ridge, ese of the peak 609 Comment
  CAS-BOT-BC345455  Malacothrix coulteri Kellogg; Bloomer 1869-5-1 s.n. Contra Costa Antioch Comment
  UC1795010  Malacothrix floccifera R. K. Brummitt, J. Strother and B. Baldwin 1997-5-27 19608 Contra Costa Mount Diablo, W side, Murchio Gap 800 Comment
  UC76038  Malacothrix floccifera Milo S. Baker 1904-6-24 Contra Costa Summit of Mt. Diablo Comment
  UC2027747  Malus pumila Barbara Ertter 1996-11-24 15427 Contra Costa West side of Mount Diablo, Stage Road below Pine Pond in Pine Canyon. Comment
  CDA37265  Malva neglecta D. G. Kelch 2011-3-31 11 .069 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  RSA721201  Malva parviflora Barbara Ertter, Mary L. Bowerman 1995-6-11 14248 Contra Costa Shell Ridge Recreation Area southwest of Walnut Creek, at west base Mt.Diablo; near Indian Valley School entrance. 91 Comment
  UCD116680  Malva sylvestris Herbert L. Mason 1952-6-10 s.n. Contra Costa Waste land near Dwinelle Hall, University of California, Berkeley. Comment
  RSA0004204  Malvastrum hallii H. M. Hall, F. M. Essig 1916-5-30 10131 Contra Costa Mt. Diablo, westerly side north of Pine Canon. 275 Comment
  RSA0042211  Malvella leprosa D. G. Kelch 2006-7-14 06 .332 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. 24 Comment
  CDA42228  Marah fabacea D. G. Kelch 2003-3-21 3 .04 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  JEPS77008  Marah fabacea Robert M. Lloyd 1963-3-17 2136 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline), Huckleberry trail) Comment
  JEPS81140  Marah fabacea Edward Lee with Annetta Carter 1936-2-9 1747 Contra Costa 5.6 mi from Perkins Canyon road (Marsh Creek Road) Comment
  UC2028044  Marah fabacea Barbara Ertter 1998-3-1 15924 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  UC2028067  Marah fabacea Barbara Ertter with Tony Morosco 1998-4-12 16007 Contra Costa Mount Olympia on north side of Mount Diablo, below false summit on East Trail. Comment
  CHSC46896  Marah oregana R. A. Schlising 1965-4-6 2775 Contra Costa Berkeley Hills. Comment
  SEINET5560693  Marah oregana H. S. Gentry 1931-1 58 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  CHSC116621  Matricaria discoidea Lowell Ahart; Josephine Guardino 2016-4-19 20766 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  UC1103019  Meconella californica J. P. Tracy 1903-4-18 1796 Contra Costa East slope beyond Bald Peak, Berkeley Hills 304 Comment
Read comments May 24 2011
  JEPS112340  Medicago arabica Dean G. Kelch and Andrew G. Murdock 2004-5-2 04 .169 Contra Costa Crockett - Edwards Canyon; County: Contra Coasta; Edwards Canyon, Crockett, Contra Coasta County, CA. Comment
  UC1606303  Medicago arabica Barbara Ertter, Chris Thayer 1993-5-7 11699 Contra Costa on Wildcat Canyon Rd. 1/2 mi e Inspiration Point (e of Tilden Park); East Bay Municipal Utilities District land, Hopkins Spring 304 Comment
  JEPS100116  Medicago polymorpha G. Smick 2003-4-1 GAS 107 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1197428  Medicago polymorpha Joseph P. Tracy 1934-4-30 13189 Contra Costa between Lafayette and Moraga 152 Comment
  UC692278  Medicago polymorpha Mary L. Bowerman 1931-4-4 640 Contra Costa 2 mi by road from west entrance (= North Gate); Mount Diablo Comment
  HSC24000  Medicago sativa Tim Baroni 1971-10-16 199 Contra Costa Pinole, Pinole Valley Rd. 100 Yds. E of the entrance to Wright Ave. Comment
  CAS-BOT-BC271216  Melica californica L. R. Abrams 1921-5-25 8065 Contra Costa On road to summit, Mt. Diablo Comment
  POM300624  Melica californica Mary L. Bowerman 1935-5-25 3070 Contra Costa Meridian Peak south of the summit (east of the hairpin turn on road). Mount Diablo. 1067 Comment
  POM300625  Melica californica Mary L. Bowerman 1935-5-1 2941 Contra Costa North road 4.4 miles from North Gate. Mount Diablo. 396 Comment
  SEINET3383301 Image available Melica californica Mary Bowerman 1991-5-21 Contra Costa Mount Diablo. Jim White Trail(Deer Flat Rd) South side of Juniper Moses Rock Trail near Deer Flat junction Comment
  UC692462  Melica californica Mary L. Bowerman 1935-4-17 2829 Contra Costa 2 mi from Mount Diablo West Road (North Rd) entrance (North Gate) (just w of chaparral); Mount Diablo 237 Comment
  SEINET186052 Image available Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mt. Diablo On slope SE-E along first west fork rom Curry Creek Trail. 335 Comment
  UC1153843  Melica imperfecta Beecher Crampton 1956-5-14 3405 Contra Costa s boundary Mt. Diablo State Park Comment
  RSA0068496  Melica imperfecta Katie Gallagher, Nick Jensen 2014-4-26 178 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  POM257058  Melica imperfecta var. refracta Virginia Long 1933-6-14 221 a Contra Costa Mt. Diablo. On slope SE-E along first west fork from Curry Creek Trail. Comment
  CAS-BOT-BC262510  Melica torreyana Mary L. Bowerman 1935-5-25 3071 Contra Costa Mount Diablo. Meridian Peak south of the summit (east of the hairpin turn on road) 1066 Comment
  POM204767  Melica torreyana C. F. Baker 1903-4-28 2815 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  RSA756399  Melica torreyana Barbara Ertter, John Little 1989-4-2 8111 Contra Costa Hillside park in El Cerrito, +/- undisturbed vegetation on steep west-facing slope Comment
  SEINET3449596  Melica torreyana Dean G. Kelch, Andrew G. Murdock 2003-3-21 DGK 3 .055 Contra Costa Martinez West, Martinez West, Ozol Rock and Scenic Drive 40 Comment
  UC2028402  Melica torreyana Barbara Ertter with Christopher Baysdorfer 1998-5-10 16122 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, quarry area on west side Comment
  UC691166  Melica torreyana Mary L. Bowerman 1933-6-3 2235 Contra Costa summit Meridian Pk (Ranson Pt. trail); Mt. Diablo Comment
  CAS-BOT-BC262508  Melica torreyana Mary L. Bowerman 1935-5-18 3024 Contra Costa Mount Diablo. Northwest-facing slope across the road from, and a little east of, the parking area: Woodland 1066 Comment
  POM300622  Melica torreyana Mary L. Bowerman 1935-5-16 3013 Contra Costa Behind Gabriel-Hinks' (east side of North Peak) 290 Comment
  JEPS127091  Melilotus indicus Lowell Ahart, Josephine Guardino 2016-4-19 20801 Contra Costa 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  JEPS65535  Melilotus indicus W. L. Jepson 1922-5-18 9644 Contra Costa North Berkeley Hills 152 Comment
  HSC15019  Melilotus indicus D. A. Shally 1965-4-10 3 Contra Costa Marsh Creek Canyon Rd. and Hwy. 4 , 2 mi. N of Byron. Comment
  JEPS112478  Melissa officinalis D. G. Kelch 2004-7-9 04 .293 Contra Costa Crockett - Elkhorn Creek 2 Comment
  RSA0027699  Mentha aquatica Barbara Ertter 1996-9-19 15292 Contra Costa Antioch Marina. Edge of marsh near parking lot. Comment
  SEINET3152170  Mentha canadensis Brandegee 1892-9-9 sn Contra Costa Antioch Comment
  UC1619954  Mentha spicata Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10718 Contra Costa Browns Isl. n Pittsburg (near confluence of Sacramento & San Joaquin rivers, w.-most point opposite Pittsburg marina); Browns Isl. Comment
  UC691474  Mentha spicata Mary L. Bowerman 1938-11-19 3733 Contra Costa Mitchell Canyon Mount Diablo (by stream); , Mitchell Canyon 228 Comment
  JEPS42758  Mentzelia dispersa W. L. Jepson 1921-5-22 9202 Contra Costa Mt. Diablo 914 Comment
  JEPS42778  Mentzelia micrantha W. L. Jepson 1919-6-8 8331 Contra Costa Mt. Diablo Comment
  UC672665  Mentzelia micrantha H. L. Mason 1928-4-29 4435 Contra Costa Mount Diablo, Sycamore Canyon Comment
  CDA23916  Mesembryanthemum nodiflorum D. G. Kelch 2006-7-14 6 .327 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  UCSC008283  Micropus amphibolus Randall Morgan 1989-5-5 1587 Contra Costa Mt. Diablo near mouth of Mitchell Canyon Comment
  UC1795729  Micropus californicus var. californicus Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14223 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point, grassy semishade at edge of oak woodland. 518 Comment
  UC912408  Micropus californicus var. californicus Herbert L. Mason 1929-3-29 5129 Contra Costa Marsh Creek Road 2 mi e Clayton; Marsh Creek Road Comment
  UCSC007286  Micropus californicus var. subvestitus Randall Morgan 2010-5-21 5027 Contra Costa Dan Cook Canyon trail, Mount Diablo Comment
  CAS-BOT-BC348886  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-8 2012 Contra Costa Mount Diablo. Fossil Ridge near crest, on north side by side road Comment
  CAS-BOT-BC348890  Microseris douglasii subsp. douglasii Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  JEPS17890  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins 1954-3-26 5526 A Contra Costa field along Deer Valley Road; Deer Valley 76 Comment
  UC691433  Microseris douglasii subsp. douglasii Mary L. Bowerman 1931-4-11 697 Contra Costa toward mouth of Pine Canyon; Mount Diablo Comment
  UC691459  Microseris douglasii subsp. douglasii Mary L. Bowerman 1931-4-4 638 Contra Costa 2 mi by road from North Gate (west entrance); Mount Diablo Comment
  UC691464  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-4 1991 Contra Costa Fossil Ridge crest Mount Diablo Comment
  CAS-BOT-BC348897  Microseris douglasii subsp. douglasii R. E. Frenkel 1964-4-29 467 Contra Costa 0.25 mile E. of Tassajara Road on Highland Road 195 Comment
  UC70182  Microseris douglasii subsp. tenella J. Burtt Davy May 1898 Contra Costa Danville Mount Diablo Region Comment
  CAS-BOT-BC349094  Microseris douglasii subsp. tenella Ira L. Wiggins 1930-4-17 4560 A Contra Costa 1 mi. E. of Mountain House, on road to Byron Comment
  CAS-BOT-BC349168  Microseris elegans Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  JEPS18256  Microseris elegans Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10580 Contra Costa 3.0 mi s Byron Comment
  CAS-BOT-BC349167  Microseris elegans K. L. Chambers 1953-4-25 448 Contra Costa Balfour Road, ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Road (Deer Valley Road). Foothills on east side of Mount Diablo Range Comment
  CAS-BOT-BC349170  Microseris elegans Brandegee No date on label s.n. Contra Costa Byron Hot Springs Comment
  JEPS116945  Microseris sylvatica David Gowen 2008-4-16 861 Contra Costa West end of Horse Valley. Comment
  UC1051312  Mimulus aurantiacus N. Floy Bracelin 1941-6-22 1415 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS10227  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1918-6-5 7605 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS78822  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-5-24 2164 Contra Costa 10 mi from Marsh Creek Road; Morgan Territory Comment
  POM5025  Mimulus cardinalis M. Alice King 1896-07 257 Contra Costa San Pablo Comment
  POM204480  Mimulus guttatus J. T. Howell 1933-5-14 11242 Contra Costa St. Mary's College Comment
  RSA0069380  Mimulus guttatus Katie Gallagher, Nick Jensen 2014-4-26 209 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  RSA454334  Mimulus guttatus L. S. Rose 1941-3-27 41064 Contra Costa 2 mi. w. of Byron. 46 Comment
  UC125132  Mimulus latidens Katharine Brandegee 1907-5-5 Contra Costa between Antioch and Marsh Creek Comment
  UC193602  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UCD32387  Mimulus latidens Beecher Crampton 1950-4-22 531 Contra Costa 2 miles south of Antioch, on road from Antioch to Lone Tree Valley, in shallow depression along roadside. 60 Comment
  UC1607684  Minuartia pusilla Barbara Ertter, Lynne Hosley 1993-4-17 11512 Contra Costa ca 10 air mi n Livermore (hills in lee of Mt. Diablo, edge of outcrop s of Hummingbird trail); Morgan Territory 609 Comment
  UC54731  Minuartia pusilla J. P. Tracy 1903-4-18 1798 Contra Costa slope beyond Bald Peak; Region about San Francisco Bay, Berkeley Hills 304 Comment
  CAS-BOT-BC384001  Mirabilis jalapa D. E. Breedlove 1969-10-18 16711 Contra Costa On Reliez Valley Road at the junction with Gloria Terrace; Lafayette Comment
  UC32611  Monardella douglasii Bolander 2499 Contra Costa Moraga Valley Comment
  JEPS100054  Monardella villosa subsp. villosa G. Smick 2003-6-6 GAS 215 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691682  Monolopia gracilens Mary L. Bowerman 1931-4-25 767 Contra Costa roadside a little below summit Meridian Peak; Mount Diablo Comment
  POM301019  Monolopia gracilens Mary L. Bowerman 1933-5-9 2057 Contra Costa Mount Diablo: Muir Area, southeast slope east of the rocks Comment
  CAS-BOT-BC349611  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa Two miles west of Byron 45 Comment
  JEPS25355  Monolopia major Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6965 Contra Costa along Camino Diablo 1.9 mi w Byron (at road summit) 54 Comment
  CAS-BOT-BC349613  Monolopia major Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC1607685  Montia fontana Barbara Ertter, Lynne Hosley 1993-4-17 11511 Contra Costa Morgan Territory 10 air mi n of Livermore (in lee of Mount Diablo, s of Hummingbird trail,); Morgan Territory 609 Comment
  POM300988  Montia fontana subsp. variabilis Mary L. Bowerman 1939-3-31 3736 Contra Costa Spring in bend of road to Barbecue Terrace ( off S road). Comment
  CHSC75113  Montia perfoliata Roger Thom 1987-4-17 1 Contra Costa 3300 block Johnson Rd. in Lafayette. 152 Comment
  POM169570  Muilla maritima H. P. Chandler 1901-3-21 863 Contra Costa Concord. Comment
  UCD96601  Myosurus minimus D. E. Stone 1957-4-4 70 B Contra Costa On State 4, 1 mile south of Byron. Comment
  CAS-BOT-BC7111  Myosurus minimus subsp. apus M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  UC1738112  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 14 -8 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  UC1738114  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 8 -48 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  UC1738118  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 8 -8 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  CHSC69649  Myosurus sessilis James D. Jokerst 1989-3-28 3059 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  JEPS65190  Myosurus sessilis L. R. Heckard 1971-4-15 2477 Contra Costa S of Byron (intersection of Holey Road) Comment
  UC1738117  Myosurus sessilis D. E. Stone 1955-8-26 8 -2 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738120  Myosurus sessilis D. E. Stone 1956-5-25 8 -31 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  JEPS112428  Myriophyllum aquaticum Christopher Thayer 1996-3-29 Contra Costa Pinole Creek, near intersection of Pinole Vally Rd and Castro Ranch Rd, on East Bay Municipal Utility District land Comment
  UC1950413  Najas guadalupensis Barbara Ertter with Brad Olson 1991-9-28 10838 Contra Costa San Pablo Reservoir between Orinda and El Sobrante, at S end of reservoir Comment
  JEPS102897  Narcissus tazetta Barbara Ertter 1998-1-25 15910 Contra Costa Back Canyon Road at crossroad S of Donner Canyon trailhead Mount Diablo Comment
  CDA31836  Nassella lepida D. G. Kelch 2008-4-24 8 .062 Contra Costa Carquinez Strait; W of Ozol Rock ~2 km W of Martinez. Comment
  POM301022  Nassella lepida Mary L. Bowerman 1933-5-25 2181 Contra Costa Oyster Ridge, West end of south face 396 Comment
  UC691263  Nassella lepida Mary L. Bowerman 1935-6-28 3161 Contra Costa canyon w of meridian below place where pipe crosses (s base of peak); Mount Diablo, Meridian Peak 441 Comment
  UC697123  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa North Road 2 mi from North Gate (se exp.); Mount Diablo 182 Comment
  UCD87883  Nassella lepida P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and summit. Comment
  JEPS73768  Nassella pulchra R. F. Hoover 1936-3-19 807 Contra Costa Byron Hot Springs Comment
  UCD36916  Nassella pulchra Beecher Crampton 1956-5-14 3388 Contra Costa 6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
  UCD37583  Nassella pulchra Beecher Crampton 1955-4-11 2472 Contra Costa Contra Costa County, city of Richmond, East Shore and San Pablo Avenues. Comment
  CAS-BOT-BC260129  Nassella pulchra Mary L. Bowerman 1933-5-11 2085 Contra Costa Mount Diablo. Inner Black Hills, W of saddle Comment
  JEPS70310  Navarretia atractyloides K. Brandegee 1907-6-16 Contra Costa Judsonville Comment
  UC106900  Navarretia hamata subsp. parviloba Katharine Brandegee 1885-5 Contra Costa near Antioch; Judsonville Comment
  JEPS116947  Navarretia heterandra David Gowen 2008-4-16 858 Contra Costa West end of Horse Valley. 146 Comment
  UC2042806  Navarretia heterandra Barbara Ertter with Joanne Kerbavaz 2000-8-20 17496 a Contra Costa South side Mount Diablo, across road from Curry Point trailhead. Comment
  SEINET183957  Navarretia mellita John Thomas Howell 1938-6-30 13938 Contra Costa Head od Seista Valley. Comment
  UC691764  Navarretia pubescens Mary L. Bowerman 1932-11-19 1652 Contra Costa Pioneer Camp Mount Diablo Comment
  UC2042986  Navarretia pubescens Barbara Ertter with Alan Prather 2003-6-7 18207 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, shortcut between Coyote Trail and Stone Corral Trail. Comment
  JEPS112009  Navarretia squarrosa Christopher Thayer 1995-6-5 Contra Costa West of Pinole Peak 274 Comment
  UC106831  Navarretia viscidula K. Brandegee Contra Costa Antioch Comment
  JEPS3138  Nemophila heterophylla W. L. Jepson 1923-4-22 9868 Contra Costa Mt. Diablo Comment
  UC1069147  Nemophila heterophylla H. S. Yates 1936-3-14 5359 Contra Costa Marsh Creek Mount Diablo Quad., Marsh Creek Comment
  UC67124  Nemophila heterophylla Harley P. Chandler 1901-4-5 949 Contra Costa Pine Canyon , Pine Canyon (Mt. Diablo) Comment
  SEINET4080336  Nemophila heterophylla M. W. Garcia 1960-1 60070 Contra Costa Near drinking fountain on Mount Diablo. Lower Terrace Camp. 609 Comment
  UC480617  Nemophila menziesii Carl Meyer 1928-2-22 284 Contra Costa Mt. Diablo Comment
  UC592190  Nemophila menziesii H. L. Mason 1932-3-20 6837 Contra Costa Antioch sand hills Comment
  UC596370  Nemophila pedunculata R. F. Hoover 1938-3-5 2816 Contra Costa mouth of Kirker Creek Canyon Comment
  HSC28472  Nicotiana glauca J. D. Ackerman, A. M. Montalvo 1973-12-20 123 Contra Costa 5 mi. E of Clayton Comment
  UC2028006  Nicotiana glauca Barbara Ertter with Amy Rusev 1998-1-17 15899 Contra Costa Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  JEPS112085  Oemleria cerasiformis D. G. Kelch 2004-3-5 04 .14 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 90 Comment
  JEPS44838  Oemleria cerasiformis H. H. Haworth 1917-4-22 Contra Costa Orinda Park Comment
  RSA0025334  Oemleria cerasiformis James R. Shevock 2012-8-12 40657 Contra Costa Tilden Regional Park, East Bay Regional Park District. Along Grizzly Peak Trail about midway between the upper and lower trailheads. 448 Comment
  UC1005624  Oemleria cerasiformis Frank W. Gould 1940-3-2 873 Contra Costa n side Grizzly Peak 289 Comment
  UC2028047  Oemleria cerasiformis Barbara Ertter 1998-2-15 15916 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, Coyote Creek upstream from Joaquin Pond. Comment
  CDA15227  Oenanthe sarmentosa G. F. Hrusa, D. Crowe 1998-5-8 14356 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UC2028407  Oenanthe sarmentosa Barbara Ertter with Richard K. Brummitt 1998-5-16 16098 Contra Costa Antioch Marina, edge of brackish marsh Comment
  UC2029152  Oenothera deltoides subsp. cognata Barbara Ertter, Chris Thayer 1994-5-19 12782 Contra Costa Highway 4 between Brentwood and Oakley at Honey Lane (halfway between Cypress Rd. and Delta Rd.) Comment
  CDA38155  Oenothera deltoides subsp. cognata F. J. Brucato 1962-5-2 s.n. Contra Costa Knightsen; Sunset and Eden Plains Rd. 0 Comment
  CAS-BOT-BC171594  Oenothera deltoides subsp. howellii K. Brandegee s.n. Contra Costa Antioch Comment
  CDA38153  Oenothera deltoides subsp. howellii F. J. Brucato 1962-5-1 s.n. Contra Costa Antioch; Wilbur Ave. 0 Comment
  RSA273285  Oenothera deltoides subsp. howellii Glenn A. Gorelick 1967-5-2 s.n. Contra Costa 1.5 miles east of Antioch Comment
  CAS-BOT-BC7128  Oenothera deltoides var. howellii Alice Eastwood; John Thomas Howell 1936-4-19 2147 Contra Costa Antioch Comment
  RSA0004531  Oenothera deltoides var. howellii Alice Eastwood, J. T. Howell 1936-4-19 2147 Contra Costa Sand dunes at Antioch Comment
  UC1606354  Oenothera elata Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10689 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, dry levee near lagoon in center of w end of island); Browns Island Comment
  JEPS25159  Oenothera elata subsp. hookeri G. Thomas Robbins with John Weiler''G. Thomas Robbins (with John Weiler) 1959-5-23 4030 Contra Costa On low site at the northwest edge of Brooks Island San Francisco Bay, Richmond. Comment
  CHSC97920  Olea europaea D. G. Kelch 2006-6-23 06 .322B Contra Costa West Valona. West of the Zampa Bridge above San Pablo Ave. Along small stream draining north into the western end of the Carquinez Strait. 91 Comment
  UC1125588  Orobanche fasciculata C. M. Belshaw 1936-5-8 2055 Contra Costa SE Slope of Mount Diablo. Comment
  CAS-BOT-BC499852  Orobanche fasciculata W. L. Jepson 1918-6-5 7618 Contra Costa Mt. Diablo (north peak) 1066 Comment
  UC2027723  Orobanche uniflora Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15511 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  JEPS10809  Orobanche uniflora subsp. occidentalis W. L. Jepson 1925-4-26 10693 Contra Costa Mt. Diablo. Comment
Read comments Sep 13 2017
  UC27898  Orobanche uniflora subsp. occidentalis J. Burtt Davy 1895-4-13 1004 Contra Costa Lafayette. Comment
  JEPS21355  Orobanche vallicola Ray F. Smith 1956-9-23 Contra Costa n. base Mt. Diablo (Russellmann Park); , Russellmann Park Comment
  JEPS99528  Orobanche vallicola Mary L. Bowerman 1977-6-11 Contra Costa Mount Diablo, Pine Canyon, Castle Rock Park (rest unclear). Comment
  UC1076297  Orobanche vallicola Herbert L. Mason 1929-9-21 5432 Contra Costa 3 mi above Clayton (Marsh Creek Road); Marsh Creek Road Comment
  CAS-BOT-BC502954  Orobanche vallicola A. D. E. Elmer 1903-7-1 4958 Contra Costa Mount Diablo Comment
  POM181461  Orthocarpus erianthus I. L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi. S. of Byron. Comment
  RSA516499  Orthocarpus erianthus Robert F. Hoover 1938-2-27 2783 Contra Costa Danville. Comment
  SEINET10549673  Orthocarpus erianthus John T. Middleton 1936-4-24 Middleton 95 D Contra Costa Deer valley. Comment
  RSA407949  Orthocarpus purpurascens H. de Forest 1930-4-6 s.n. Contra Costa [No location information provided.] Comment
  JEPS111578  Oxalis pes-caprae D. G. Kelch 2003-3-21 03 .53 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC2029047  Oxalis pes-caprae Barbara Ertter with Linda Vorobik 2000-1-9 16891 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville, edge of woodland behind Eugene O'Neill house. Comment
  UC2028103  Packera breweri Barbara Ertter with Christopher Baysdorfer 1998-5-10 16124 Contra Costa West side Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC1795761  Panicum capillare Barbara Ertter, Lincoln Constance 1995-6-16 14262 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  UCR263529  Panicum capillare Barbara Ertter, Lisa M. Schultheis 1996-9-2 15283 Contra Costa South Gate Road, south side of Mount Diablo, not far inside park entrance near base of mountain 500 Comment
  UC2028502  Panicum capillare Barbara Ertter with Mary Bowerman, Lisa Schultheis 1998-8-21 16396 Contra Costa South side of Mount Diablo, South Gate Road 1.1 miles below entry kiosky Comment
  UC2029172  Panicum dichotomiflorum Barbara Ertter 2000-7-16 17415 Contra Costa Diablo Foothills Regional Park, west end of Northgate Trail behind stables along Little Pine Creek, waste area. Comment
  CAS-BOT-BC253921  Parapholis incurva Alice Eastwood 1927-5-19 14436 Contra Costa Byron Springs 760 Comment
  CHSC84547  Parapholis incurva John Dittes 2003-5-6 2003 -15 Contra Costa San Joaquin Valley; approximately 10.0 air-miles north of Livermore, 0.4 air-miles north of Vasco Road; Los Vaqueros Reservoir Watershed. 65 Comment
  UCD88472  Parapholis incurva Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CDA35606  Parentucellia viscosa Deviney 2011-7-1 PDR# 1645174 Contra Costa Port Costa, East Bay Regional Park Carquinez (Demartini Ranch), McEwen Road near John Muir Parkway. 0 Comment
  CDA22266  Parietaria judaica D. G. Kelch, A. G. Murdock 2004-4-11 4 .078 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street. In Crockett. Comment
  UC573057  Pectocarya pusilla H. L. Mason 1931-4-5 5827 Contra Costa rd between Marsh Creek and Livermore Comment
  CDA41866  Pedicularis densiflora D. G. Kelch, A. G. Murdock 2003-3-21 3 .041 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  UCD102373  Pedicularis densiflora Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Burma Road at Mount Diablo. 520 Comment
  RSA123949  Pedicularis densiflora E. F. Sprague 1957-5-30 1134 Contra Costa Rocky Point, Mount Diablo. 610 Comment
  CDA42757  Pellaea andromedifolia A. G. Murdock 2004-4-3 247 Contra Costa Franklin Canyon - McHarry Ranch Road, near fire road entrance. Comment
  JEPS106989  Pellaea andromedifolia J. Greenhouse with Kevin Hintsa 2004-4-5 5087 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1088 Comment
  SEINET3451383  Pellaea andromedifolia Dean G. Kelch, Andrew G. Murdock 2003-2-21 AGM 68 Contra Costa Martinez, Martinez, Mount Wanda 120 Comment
  UC399521  Pellaea andromedifolia Ivar Tidestrom June, 1895 Contra Costa Crockett Comment
  UC42646  Pellaea andromedifolia McLean Mar. 1875 Contra Costa Mt Diablo Comment
  RSA686984  Pellaea mucronata Mark Morris 1929-03 14909 Contra Costa Mount Diablo, Contra Costa Comment
  UC692119  Pellaea mucronata var. mucronata Mary L. Bowerman 1933-5-2 1956 Contra Costa below Pioneer Camp (just above upper edge of chaparral); Mt Diablo 762 Comment
  UC41706  Penstemon centranthifolius J. Burtt Davy 1895-4-7 889 Contra Costa Antioch Comment
  UCR136718  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi east of Antioch 15 Comment
  SEINET12320781  Penstemon centranthifolius N. Havlik, Knight, W.; Knight, I. 1980-1 3878 Contra Costa about 1500 ft from Nortonville Pass intersection enroute to Laugher homestead, near old mining town Comment
  UCD124222  Penstemon heterophyllus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UC41765  Penstemon heterophyllus var. heterophyllus V. K. Chesnut Contra Costa Mt. Diablo Comment
  UC1481542  Penstemon heterophyllus var. purdyi Neil Havlik 1980-6-26 941 Contra Costa e side of Siesta Valley in a small ravine e side of Siesta Valley Comment
  JEPS116790  Pentachaeta alsinoides David Gowen 2006-6-14 610 Contra Costa Morgan Territory Regional Park; At the NW end of Eagle Trail. Comment
  UC133407  Pentachaeta exilis C. F. Baker 1923-4-28 2826 Contra Costa Marsh creek Mount Diablo Comment
  UC697213  Pentachaeta exilis Mary L. Bowerman 1933-5-10 2062 Contra Costa ridge at e end and s of Meridian Flat; Mount Diablo 822 Comment
  POM55516  Pentachaeta exilis C. F. Baker 1903-4-28 2826 Contra Costa Marsh Creek, Mt. Diablo. Comment
  UC1818960  Perideridia kelloggii Barbara Ertter, Kristin Ertter 1995-7-11 14481 Contra Costa Dried meadow on heavy clay soil downstream from Pine Pond (in Mt. Diablo State Park) 182 Comment
  UC2028505  Perideridia oregana Barbara Ertter with Mary Bowerman, Lisa Schultheis 1998-8-21 16405 Contra Costa North side Shell Ridge Open Space west of Mount Diablo, near pond at Wiget Lane entrance Comment
  UCD161764  Persicaria James A. Neilson Jr. 1972-10-22 3505 Contra Costa Walnut Creek drainage at State Highway 4. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1 Comment
  UC2029086  Persicaria maculosa Barbara Ertter 2000-7-16 17396 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC1949094  Persicaria punctata Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19805 Contra Costa at upper (south) end of San Pablo Dam Reservoir northwest of Orinda Comment
  UC2070540  Petrorhagia dubia Barbara Ertter with J. Kerbavaz, David Gowen, Mike Park and Victoria Seidman 2004-4-22 18363 Contra Costa Old Pioneer Horse Camp on Green Ranch Road, south side of Mount Diablo summit. Comment
  JEPS1459  Phacelia breweri W. L. Jepson 1922-5-23 9656 Contra Costa near summit; Mount Diablo Comment
  UC24298  Phacelia breweri Harley P. Chandler 1901-4-5 969 Contra Costa Mt. Diablo Mt. Diablo (type locality) Comment
  UC614672  Phacelia breweri L. Constance, J. L. Morrison 1938-4-5 2191 Contra Costa w slope of mt. near Deer Flat and head of Mitchell Canyon; South Coast Ranges, Mount Diablo 670 Comment
  UC880993  Phacelia breweri Lewis S. Rose 1941-5-15 41239 Contra Costa summit Mt. Diablo 1188 Comment
  UC880995  Phacelia breweri Alice Eastwood 1915-5-30 4487 Contra Costa near type locality Mt. Diablo Comment
  CDA1102  Phacelia californica D. G. Kelch, A. G. Murdock 2005-5-1 5 .189 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  JEPS2232  Phacelia californica W. L. Jepson 1892-3-19 21043 Contra Costa Portreo Hills Comment
  JEPS41060  Phacelia californica Rimo Bacigalupi and L. R. Heckard 1965-5-11 9085 Contra Costa in bay sw Richmond; San Francisco Bay, Brooks Island 30 Comment
  UC1047007  Phacelia californica L. R. Heckard 1951-5-30 41 Contra Costa above Broadway Tunnel (along road to Grizzly Peak Blvd.) Comment
  UC1228237  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa along state hwy 4 in pass between Concord Valley and Pittsburg (steep hillside in roadcut) Comment
  UC762065  Phacelia californica R. F. Hoover 1938-2-21 2753 Contra Costa Point Richmond Comment
  RSA42303  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa Margin of San Francisco Bay, Point Richmond. 15 Comment
  POM65595  Phacelia ciliata C. F. Baker 1903-4-26 2904 Contra Costa Byron Comment
  UC24322  Phacelia ciliata var. ciliata J. Burtt Davy 1895-4-7 958 Contra Costa Antioch Comment
  JEPS111838  Phacelia distans D. G. Kelch 2003-4-3 03 .359 Contra Costa Cummings Skyway 115 Comment
  JEPS111841  Phacelia distans D. G. Kelch 2003-4-3 04 .95 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway. 70 Comment
  UC107401  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC762051  Phacelia distans R. F. Hoover 1937-5-14 2116 Contra Costa Antioch sand-dunes Comment
  UC762423  Phacelia distans R. F. Hoover 1938-3-25 2893 Contra Costa Markley Canyon Comment
  SEINET10946719 Image available Phacelia distans Charles F. Baker 1903-4-28 Baker 2806 Contra Costa Antioch. 1-1 1/2 feet, common in the sandhills. "Also collected by me long ago at the same place." Comment
  UCD120388  Phacelia distans Robt. Branstead 1934-3-30 s.n. Contra Costa SW slope of Mt. Diablo. 426 Comment
  UC24351  Phacelia divaricata Harley P. Chandler 1901-4-5 968 Contra Costa Mt. Diablo Comment
  UC672342  Phacelia douglasii H. L. Mason 1932-3-20 6838 Contra Costa Antioch Sand Hills Comment
  JEPS2162  Phacelia imbricata subsp. imbricata W. L. Jepson 1923-6-10 9989 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  UC691692  Phacelia imbricata subsp. imbricata Mary L. Bowerman 1935-5-22 3046 Contra Costa canyon at n end of ridge which heads into saddle w Twin Peaks; Mount Diablo, Eagle Point Ridge 350 Comment
  UC901821  Phacelia imbricata subsp. imbricata L. Constance and C. Ritchie Bell 1950-5-18 3336 Contra Costa n peak Mount Diablo 1066 Comment
  UC691476  Phacelia nemoralis subsp. nemoralis Mary L. Bowerman 1934-4-21 2537 Contra Costa Muir Area Mount Diablo Comment
  POM300966  Phacelia nemoralis subsp. nemoralis Mary L. Bowerman 1934-4-21 2537 Contra Costa Muir Area. Comment
  CAS-BOT-BC154332  Phacelia phacelioides Alice Eastwood 1915-5-30 4520 Contra Costa Near type locality. Mt. Diablo Comment
  POM118166  Phacelia phacelioides H. M. Hall, Essig 1916-5-31 10135 Contra Costa Mount Diablo 1140 Comment
  POM300985  Phacelia phacelioides Mary L. Bowerman 1935-5-8 2974 Contra Costa Muir Area. 1006 Comment
  UC691328  Phacelia phacelioides Mary L. Bowerman 1933-4-26 1923 Contra Costa ese peak (s face); Mount Diablo, North Peak ridge 609 Comment
  UC691331  Phacelia phacelioides Mary L. Bowerman 1930-6-7 285 Contra Costa Meridian Peak summit Mount Diablo Comment
  JEPS1284  Phacelia tanacetifolia Linda Gehringer 1914-3-29 Contra Costa Brentwood Comment
  RSA0029052  Phalaris coerulescens Barbara Ertter 1999-6-12 16713 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore. Comment
  UC2028499  Phalaris coerulescens Barbara Ertter 1999-6-12 16713 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, just south confluence of NE and E forks of Sycamore Creek Comment
  RSA129153  Phalaris lemmonii C. M. Belshaw 1936-5-11 2099 Contra Costa 2.5 miles east southeast of Danville 229 Comment
  CAS-BOT-BC265962  Phalaris minor John Thomas Howell 1933-5-14 11234 Contra Costa St. Mary's College Comment
  UC1132436  Phalaris minor C. M. Belshaw 1936-5-11 2099 Contra Costa 2 1/2 mi ese Danville (Plot 19); Mt. Diablo Quadrangle Comment
  CAS-BOT-BC250683  Phalaris paradoxa John Thomas Howell 1933-5-14 11235 Contra Costa St. Mary's College Comment
  CHSC79630  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14401 Contra Costa Sacramento-San Joaquin River Delta. At E end of Dow Chemical property. 15 Comment
  UC50464  Phalaris paradoxa Jos. Burtt Davy 1900-6-7 6654 Contra Costa San Pablo Canyon Comment
  SEINET5566389  Phalaris paradoxa E. A. Bernays 1985-1 s.n. Contra Costa Russell Reserve. Comment
  UC691609  Phlox gracilis Mary L. Bowerman 1931-3-14 568 Contra Costa Windy Point Mount Diablo Comment
  CAS-BOT-BC222492  Pholistoma auritum var. auritum Mary L. Bowerman 1931-4-18 722 Contra Costa Mount Diablo. Sycamore Canyon 365 Comment
  CHSC59985  Pholistoma membranaceum J. M. Tucker 1981-4-25 4454 Contra Costa Antonio Souza Ranch southwest of Byron. Mt. Diablo Meridian. 309 Comment
  UC1535363  Pholistoma membranaceum J. M. Tucker 1981-4-25 4454 Contra Costa Antonio Souza Ranch sw of Byron (Mount Diablo Meridian, (extended section NW quarter Sec 31)); Antonio Souza Ranch, Mount Diablo Meridian 309 Comment
  UC24023  Pholistoma membranaceum J. Burtt Davy 1895-4-8 989 Contra Costa foothills Antioch Comment
  JEPS107085  Phoradendron macrophyllum Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al. 1994-9-11 13085 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton. Comment
  UC692039  Phoradendron villosum Mary L. Bowerman 1932-1-23 1077 Contra Costa knoll w. of the knoll between Sycamore Ridge and 1920 point Mt. Diablo Comment
  CAS-BOT-BC260889  Phragmites australis A. D. E. Elmer 1903-7-1 4541 Contra Costa Martinez Comment
  CDA8371  Phragmites australis D. G. Kelch, A. G. Murdock 2003-8-13 3 .101 Contra Costa Carquinez Strait; Salt Marsh E of Marina. Martinez. Comment
Read comments Mar 11 2011
  JEPS87911  Phragmites australis Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10707 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, near w end of <Browns> Island); Browns Island Comment
  CDA9279  Phragmites australis D. G. Kelch 2002-7-15 2 .007 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  JEPS87944  Phyla nodiflora var. nodiflora Barbara Ertter, Brad Olson 1991-9-28 10828 Contra Costa at s end of San Pablo Reservoir between Orinda and El Sobrante; San Pablo Reservoir 91 Comment
  SD241704  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. Comment
  CAS-BOT-BC202274  Pickeringia montana var. montana Mary L. Bowerman 1931-5-2 793 Contra Costa Mount Diablo. North end of Eagle Point ridge Comment
  UC1129855  Pickeringia montana var. montana R. W. Lundh 1932-8-20 135 Contra Costa 2 mi s Mt. Diablo (Rock City); Mount Diablo Quadrangle 502 Comment
  UC692282  Pickeringia montana var. montana Mary L. Bowerman 1933-2-4 1690 Contra Costa flat e Mt. Diablo-North Peak divide; Mount Diablo 822 Comment
  JEPS65182  Pilularia americana L. R. Heckard 1971-4-15 2485 Contra Costa s Byron (field at intersection of Holey Rd.) Comment
  SD65509  Pilularia americana Katherine Brandegee 1909-4-24 Contra Costa Briones Road, between Antioch and Marsh Creek Comment
  JEPS48223  Pinus attenuata H. M. Wheeler 1944-1-16 Contra Costa Oakland Hills Moraga Ridge; , Moraga Ridge Comment
  UC1134138  Pinus attenuata R. W. Lundh 1932-8-27 148 Contra Costa 1 mi w Cave point; Mt. Diablo Quad. 579 Comment
  CAS-BOT-BC78443  Pinus contorta subsp. murrayana H. M. Hall; H. P. Chandler 1900-7-1 730 Contra Costa South Fork of San Joaquin River Comment
  JEPS46810  Pinus coulteri W. L. Jepson 1931-4-5 15726 Contra Costa Nortonville Comment
  POM287316  Pinus coulteri Lyman Benson 1935-3-16 6280 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC440232  Pinus coulteri Mrs. H. P. Bracelin 1931-3-22 179 Contra Costa Nortonville Comment
  UC2029175  Pinus halepensis Barbara Ertter 2000-7-29 17444 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail at east fork of Donner Creek (between main fork and Wild Oat Canyon), trickle of surface water. Comment
  SJSU1345  Pinus muricata A. W. Jacobs 1953-4-26 Contra Costa Tilden Regional Park Botanic Garden, E of Berkeley Comment
  UC1061678  Pinus muricata N. Floy Bracelin 1941-10-19 1713 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC806729  Pinus pinaster Robert E. Burton Contra Costa near Valle Vista (south of Moraga) (n of Redwood road near creek) Comment
  JEPS111991  Pinus pinea D. G. Kelch 2005-1-21 05 .7 Contra Costa Crockett Collected along railroad tracks in West Valona across from the decommissioned sewage treatment plant 15 Comment
  CDA23630  Pinus radiata D. G. Kelch 2007-9-8 7 .578 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  SEINET3874454 Image available Pinus radiata James K. Detling 1963-3-21 39 Contra Costa Near Glorietta School, Orinda, California.; 0 91 Comment
  JEPS48206  Pinus sabiniana W. L. Jepson 1931-4-5 15727 Contra Costa Nortonville Comment
  JEPS48211  Pinus sabiniana W. L. Jepson 1901-10-12 1749 Contra Costa Mitchell Canon Mt. Diablo, Mitchell Canon Comment
  UC85462  Pinus sabiniana unknown Contra Costa Mt. Diablo Comment
  UC2028359  Piperia michaelii Barbara Ertter with Tony Morosco 1998-7-11 16367 Contra Costa North base of Mount Diablo, Coulter Pine Trail just east of Mitchell Rock Trail, N-facing slope Comment
  UC691267  Piperia unalascensis Mary L. Bowerman 1931-5-2 789 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  UC2028244  Pistacia atlantica Barbara Ertter, Tony Morosco 1998-9-18 16418 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, western quarry area. Comment
  UC2032806 Image available Pittosporum crassifolium Doran, Andrew Scott 2012-3-20 676 Contra Costa Brooks island loading dock, North side of island. Comment
  CAS-BOT-BC227987  Plagiobothrys David D. Keck 1933-4-2 1995 Contra Costa Vasco Road, eastern county, N of Vasco School Comment
  CHSC67891  Plagiobothrys acanthocarpus James D. Jokerst 1989-3-29 3070 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  CDA40687  Plagiobothrys acanthocarpus Jim Jokerst 1989-3-29 3070 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  UC1950231  Plagiobothrys acanthocarpus Barbara Ertter 1992-3-8 10911 Contra Costa Contra Loma Regional Park; flat NE of bend in Frederickson Lane Comment
  CDA31452  Plagiobothrys bracteatus D. G. Kelch 2006-5-2 6 .211 Contra Costa Carquinez Strait; Fernandez Ranch; W. Christie Rd. Comment
  RSA0027645  Plagiobothrys bracteatus Barbara Ertter 1998-5-3 16058 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. 274 Comment
  UC2027838  Plagiobothrys canescens Barbara Ertter with Dan Norris 2001-4-15 17613 Contra Costa West side Mount Diablo, divide NW of pond at base of China Wall formation. Comment
  UC56203  Plagiobothrys fulvus H. M. Hall 1901-3-22 1693 Contra Costa near Clayton; Region of San Francisco Bay Comment
  UC575686  Plagiobothrys fulvus Alice Eastwood and John Thomas Howell 1935-4-7 2120 Contra Costa sandy hills on Marsh Creek Road near Byron Comment
  CDA40676  Plagiobothrys humistratus Jim Jokerst 1989-3-29 3066 Contra Costa 0.25 mile south of Byron Hot Springs, northeast of Livermore. 0 Comment
  RSA666360  Plagiobothrys leptocladus Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8129 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  UC78186  Plagiobothrys stipitatus C. F. Baker 1903-4-27 2799 Contra Costa Byron Comment
  RSA666369  Plagiobothrys stipitatus Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8120 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  OBI20604  Plagiobothrys stipitatus var. micranthus Robert F. Hoover 1967-4-28 10510 Contra Costa Byron Hot Springs Comment
  UC583291  Plagiobothrys stipitatus var. micranthus Lewis S. Rose 1936-4-24 36152 Contra Costa 10 mi s Antioch 30 Comment
  RSA0069382  Plagiobothrys stipitatus var. micranthus Katie Gallagher, Nick Jensen 2014-4-26 207 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UC573071  Plagiobothrys tenellus H. L. Mason 1932-3-20 6847 Contra Costa Antioch sand hills Comment
  JEPS105697  Plagiobothrys tenellus David Gowen 2004-4-13 28 Contra Costa Lime Ridge Open Space. Ridge Trail, south of its junction with Blue Oak Trail, ca. 700' elev. Comment
  JEPS116913  Plagiobothrys tenellus David Gowen 2009-4-4 979 Contra Costa On hard packed sandy road on Las Trampas Ridge, about midway between Sulpher Springs Trail and Del Amigo Trail. Comment
  UC924232  Plagiobothrys trachycarpus H. S. Reed 1940-4-30 353 Contra Costa Marsh Creek Road Mount Diablo (Mount Diablo) 365 Comment
  JEPS116957  Plagiobothrys trachycarpus David Gowen 2008-4-6 842 Contra Costa East of Marsh Creek Road on Camino Diablo Road, on south side of road. Comment
  UC2070496  Plagiobothrys trachycarpus Barbara Ertter 2003-3-28 18120 Contra Costa Round Valley Regional Preserve, Fox Trail ca 1/8 mile west of junction with valley trail, low spot in road where water collects. Comment
  JEPS116833  Plagiobothrys undulatus David Gowen 2007-5-8 706 Contra Costa Briones Regional Park, around Maricich Lagoon. Comment
  JEPS22059  Plantago coronopus G. Thomas Robbins 1958-7-13 3899 Contra Costa n end Berrellesa Street, Martinez; Carquinez Strait Comment
  UC1618130  Plantago coronopus Nancy Hillyard 1997-7-1 Contra Costa Tilden Park in hills behind Berkeley (on Nimitz Trail); Tilden Park, Nimitz Trail 300 Comment
Read comments Aug 20 2009
  UC2029103  Plantago coronopus Barbara Ertter 1990-10-24 9684 Contra Costa Martinez Regional Shoreline on Carquinez Strait. Local near arch bridge. Comment
  JEPS7105  Plantago elongata M. K. Curran May 1886 Contra Costa near Antioch Comment
  UC1314969  Plantago elongata R. F. Hoover 1967-4-28 10516 Contra Costa Byron Hot Springs Comment
  UC1618337  Plantago erecta Barbara Ertter with John Little 1989-4-2 8109 Contra Costa s end of Hillside Park in El Cerrito Hillside Park; El Cerrito, Hillside Park Comment
  UC2032844 Image available Plantago erecta Doran, Andrew Scott 2012-3-20 715 Contra Costa Trail down from highest point of Brooks Island. South east part of Island. Comment
  POM61278  Plantago erecta C. F. Baker 1903-4-28 2828 Contra Costa Marsh Creek, Mt. Diablo. Comment
  CDA34009  Plantago lanceolata D. G. Kelch 2011-3-31 11 .081 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  JEPS21983  Plantago lanceolata William T. Hirano 1958-4-28 Contra Costa near Inspiration Point (Wildcat Creek Road, San Pablo Ridge e of Berkeley); San Pablo Ridge 304 Comment
  UC2032811  Plantago lanceolata Doran, Andrew Scott 2012-3-20 681 Contra Costa Brooks island loading dock, North side of island. Comment
  CHSC21614  Plantago major Willis Ball 1975-2-23 434 Contra Costa Contra Loma Regional Park. Small population in area #1 spread out in picnic area ca. 100 yds s of lake. 10 yds n of w end of parking lot. 45 Comment
  JEPS87216  Plantago major Lauramay T. Dempster 1991-6-15 Contra Costa Orinda; 15 El Toyonal Comment
  UC28020  Plantago maritima var. juncoides W. H. Brewer 1862-4-25 997 Contra Costa Martinez Comment
  UC28022  Plantago maritima var. juncoides Jos. Burtt Davy 1900-6-7 6670 Contra Costa near Martinez Comment
  CDA32860  Plantago subnuda D. G. Kelch 2010-10-5 10 .423 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UC11981  Platanus racemosa F. W. Koch Aug. 1895 Contra Costa Wildcat Creek Comment
  UC367125  Platanus racemosa J. G. Lemmon and wife June 1883 Contra Costa John Muir's farm Martinez Comment
  CAS-BOT-BC91604  Platystemon californicus John Thomas Howell 1933-5-14 11278 Contra Costa Hills east of Saint Mary's College. Comment
  UC855266  Platystemon californicus Lewis S. Rose 1941-3-27 41065 Contra Costa hills 2 mi w Byron 60 Comment
  JEPS12782  Plectritis macrocera Rimo Bacigalupi with G. T. Robbins 1955-5-4 4975 Contra Costa s of and above Nortonville ((site)) 304 Comment
  PASA292  Plectritis macrocera Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UC1100419  Pleuropogon californicus Peter Kamb, Francia Chisaki, Galen Smith 1951-4-14 1978 Contra Costa 7 mi n of Walnut Creek (0.2 mi s of junction of highways 4 and 21) Comment
  CAS-BOT-BC260942  Pleuropogon californicus var. californicus W. H. Brewer 1862-5-1 1043 Contra Costa Walnut Creek Comment
  CAS-BOT-BC356112  Pluchea odorata Walter Knight; J. Dean 1978-8-14 3137 Contra Costa Browns Island Comment
  CDA8488  Pluchea odorata D. G. Kelch, A. G. Murdock 2003-8-13 3 .096 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  JEPS40446  Pluchea odorata var. odorata R. F. Hoover 1937-8-31 2703 Contra Costa Avon Comment
  UC1024731  Poa annua Leo Whitney 1935-4-21 3059 Contra Costa Corral Hollow Comment
  UCD90342  Poa annua Beecher Crampton 1956-5-14 3374 Contra Costa 5 miles south of city of Antioch, at head of Horse Valley. Comment
  CAS-BOT-BC254883  Poa bulbosa John Thomas Howell 1983-5-12 54747 Contra Costa Juniper Camp, Mount Diablo 914 Comment
  CDA35481  Poa bulbosa Ed Finley 1992-4-9 PDR# 962398 Contra Costa Morgan Territory Regional Preserve, near Mt. Diablo. 0 Comment
  CAS-BOT-BC246646  Poa howellii Mary L. Bowerman 1933-4-22 1897 Contra Costa Mount Diablo. Inner Black Hills just west of Cave Point Comment
  CDA946  Poa howellii D. G. Kelch 2006-5-4 6 .127 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  UC697142  Poa howellii Mary L. Bowerman 1933-6-3 2247 Contra Costa summit Mt Diablo (ridge n of lower junction of 1-way rds) Comment
  UCD91103  Poa howellii Beecher Crampton 1956-5-14 3396 Contra Costa along Marsh Creek, Morgan Territory, southeast of Mt. Diablo. Comment
  CAS-BOT-BC246645  Poa howellii Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-11 10622 Contra Costa Curry Canyon, 4.0 miles s. of Recreation Ground Comment
  POM300627  Poa howellii Mary L. Bowerman 1933-4-22 1897 Contra Costa Inner Black Hills just west of Cave Point Comment
  POM300628  Poa secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Alder Canyon 732 Comment
  POM301025  Poa secunda Mary L. Bowerman 1933-5-8 2020 Contra Costa Fossil Ridge near crest, on north side by side road, Mount Diablo Comment
  CAS-BOT-BC236386  Poa secunda subsp. secunda Mary L. Bowerman 1933-4-15 1869 Contra Costa Mount Diablo. Canyon S of Arroyo del Cerro: Rocky knoll 250 feet below spring Comment
  CAS-BOT-BC236390  Poa secunda subsp. secunda Mary L. Bowerman 1935-5-3 2960 Contra Costa Mount Diablo. Sloan Road 487 Comment
  CAS-BOT-BC236397  Poa secunda subsp. secunda Alice Eastwood 1893-5-3 s.n. Contra Costa Antioch Comment
  UC691174  Poa secunda subsp. secunda Mary L. Bowerman 1932-3-27 1140 Contra Costa below Mitchell Rock; Mt Diablo Comment
  UC691176  Poa secunda subsp. secunda Mary L. Bowerman 1932-4-9 1323 Contra Costa s spur on meridian Inner Black Hills; Mt Diablo Comment
  UC691187  Poa secunda subsp. secunda Mary L. Bowerman 1935-4-26 2900 Contra Costa w Indian Ceremonial spring; Mt Diablo 1021 Comment
  UC70966  Poa secunda subsp. secunda J. Burtt Davy 1900-3-24 6534 Contra Costa near Pt. Richmond Comment
  UCD91671  Poa secunda subsp. secunda P. B. Kennedy 1916-5-1 s.n. Contra Costa Pinehurst. Comment
  CAS-BOT-BC236385  Poa secunda subsp. secunda Mary L. Bowerman 1935-5-18 3028 Contra Costa Mount Diablo. N of the summit parking area 1036 Comment
  SEINET5554719  Poaceae J. Hamai 1985-1 s.n. Contra Costa Russell Reserve. Comment
  UC25592  Pogogyne douglasii subsp. parviflora W. L. Jepson May 23-24 1891 Contra Costa Mount Diablo Comment
  JEPS107077  Pogogyne serpylloides Barbara Ertter, Lisa Schultheis 1995-4-27 14017 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; head of west facing scrub-filled draw (east of golf-course). Comment
  RSA0022137  Pogogyne serpylloides J. T. Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  UC1988933  Pogogyne serpylloides John Thomas Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  JEPS65184  Pogogyne zizyphoroides L. R. Heckard 1971-4-15 2483 Contra Costa At intersection of Holey Road, South of Byron. Comment
  UC692130  Polygonum amphibium Mary L. Bowerman 1935-9-13 3335 Contra Costa Chase Pond Mount Diablo Comment
  UC1784185  Polygonum amphibium var. emersum Ethel Crum 1930-9-29 863 Contra Costa Marsh Creek Road to Holt Comment
  RSA721737  Polygonum amphibium var. emersum Barbara J. Ertter, K. Ertter 1995-7-11 14482 Contra Costa W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond. 183 Comment
  CDA22736  Polygonum aviculare subsp. buxiforme D. G. Kelch 2006-7-14 06 .328-B Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  JEPS112027  Polygonum aviculare subsp. depressum Dean G. Kelch and Andrew G. Murdock 2004-7-9 DGK 04 .290Z Contra Costa Edwards Creek Crockett CA. Comment
  CDA2790  Polygonum cuspidatum R. DeBoer 1969-5-9 Contra Costa West side of parking lot, Rexal Park Pharmacy, 3716 San Pablo Dam Road, El Sobrante. 0 Comment
  RSA309337  Polypodium californicum Edward Lee, C. Belshaw 1935-12-28 1706 Contra Costa Southwest-facing slope, Las Trampas Ridge, Las Trampas Peak 442 Comment
  JEPS112032  Polypodium calirhiza D. G. Kelch 2004-3-5 04 .4 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 68 Comment
  UC692121  Polypodium calirhiza Mary L. Bowerman 1935-3-15 2736 Contra Costa e fork Arroyo del Cerro; Mt. Diablo 262 Comment
  UC665693  Polypogon monspeliensis Thomas Morley 1940-11-21 85 Contra Costa banks at upper end of San Leandro Lake near mouth of Redwood Creek; upper end of San Leandro Lake, near mouth Redwood Creek 129 Comment
  SEINET10593596  Polypogon monspeliensis Alan A. Beetle 1941-6-24 Beetle 1750 Contra Costa Point Richmond on SanFrancisco Bay, common in wet sandy places Comment
  CAS-BOT-BC237471  Polypogon viridis Mary L. Bowerman 1936-8-17 3527 Contra Costa Mount Diablo. Sulphur Spring in Pine Canyon 137 Comment
  CAS-BOT-BC237473  Polypogon viridis Walter & Irja Knight 1969-6-4 2623 Contra Costa In the Regional Parks Botanic Garden Comment
  POM300722  Polypogon viridis Mary L. Bowerman 1933-11-4 2462 Contra Costa Mount Diablo; Alder Creek Springs. 488 Comment
  CAS-BOT-BC76719  Polystichum lemmonii C. G. Pringle 1881-8-19 s.n. Contra Costa Mountains about eh head waters of the Sacramento River Comment
  UC846002  Populus fremontii subsp. fremontii Lewis S. Rose 1941-3-13 41028 Contra Costa 7 mi w Byron (Marsh Creek); Marsh Creek Comment
  UC2027748  Populus fremontii subsp. fremontii Barbara Ertter 1996-11-24 15426 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  UC2042775  Potamogeton berchtoldii Barbara Ertter with Lynne Hosley 1992-8-29 11267 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, stock pond near junction of Eagle and Volvon trails at north end of preserve. Comment
  JEPS112077  Potentilla anserina subsp. pacifica D. G. Kelch 2003-8-13 03 .107 Contra Costa Martinez Marsh 0 Comment
  JEPS23820  Proboscidea lutea G. Thomas Robbins 1959-8-1 4114 Contra Costa roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette) 144 Comment
  JEPS112094  Prunus cerasifera D. G. Kelch 2005-2-28 05 .11 Contra Costa Pinole Valley Near Pinole Valley Road 36 Comment
  UC1128498  Prunus subcordata R. W. Lundh 1932-9-3 157 Contra Costa 1 mi n of North Peak 609 Comment
  CDA42365  Pseudognaphalium californicum D. G. Kelch, Vince Guise 2012-7-26 12 .232 Contra Costa El Sobrante; Circle Dr. Comment
  JEPS75547  Pseudognaphalium californicum P. F. Yorks 1975-7-5 467 Contra Costa ca 1.5 mi s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir) 180 Comment
  UC691824  Pseudognaphalium californicum Mary L. Bowerman 1935-5-30 3089 Contra Costa Eagle Point ridge 320 Comment
  JEPS75564  Pseudognaphalium luteoalbum P. F. Yorks 1974-10-27 374 -1 Contra Costa 2.0 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir, in Hampton Road Natural Reserve); Northern coast, Hampton Road Natural Reserve Comment
  SBBG103996  Pseudognaphalium microcephalum W. Knight, I. Knight 1977-7-25 Contra Costa Black Diamond Mines Regional Reserve, Nortonville town site 167 Comment
  JEPS75548  Pseudognaphalium ramosissimum P. F. Yorks 1975-8-29 491 Contra Costa on Hampton Road ca 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve 180 Comment
  UC691826  Pseudognaphalium stramineum Mary L. Bowerman 1938-9-17 3717 Contra Costa Johnny Walker Spring Mount Diablo, Johnny Walker Spring 731 Comment
  UCD36027  Psilocarphus brevissimus Beecher Crampton 1949-6-10 472 Contra Costa city of Richmond. 16 Comment
  CAS-BOT-BC361877  Psilocarphus tenellus E. M. Zeile 1924-5-4 s.n. Contra Costa Hills above Walnut Creek Comment
  CAS-BOT-BC361878  Psilocarphus tenellus John Thomas Howell 1930-4-22 4748 Contra Costa Bald Peak Comment
  UC1819052  Psilocarphus tenellus Barbara Ertter, Chris Thayer 1995-4-25 13990 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  POM138613  Ptelea baldwinii subsp. crenulata C. F. Baker 1903-4-28 2943 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  RSA77085  Ptelea baldwinii subsp. crenulata Alice Eastwood, John T. Howell 1936-4-19 2134 Contra Costa Nortonville. Comment
Read comments Aug 27 2011
  CAS-BOT-BC148621  Ptelea crenulata C. F. Baker 1903-4-28 2943 Contra Costa Mitchell's Canyon [canon], Mt. Diablo Comment
  JEPS40172  Ptelea crenulata W. L. Jepson 1907-4-27 2648 Contra Costa Mt. Diablo Comment
  JEPS40175  Ptelea crenulata F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC148631  Ptelea crenulata John Thomas Howell 1934-4-8 11811 Contra Costa 7 miles from Clayton on road to Livermore Comment
  CAS-BOT-BC148633  Ptelea crenulata H. M. Hall 1910-8-17 10277 Contra Costa Upper Horse Valley (6 mi. s. of Antioch) 213 Comment
  JEPS57983  Pterostegia drymarioides W. L. Jepson 1923-4-22 9867 Contra Costa Mt. Diablo Comment
  UC692211  Pterostegia drymarioides Mary L. Bowerman 1933-4-9 1833 Contra Costa w. fork Donner Canyon; Mt. Diablo 243 Comment
  UCD35992  Pterostegia drymarioides Beecher Crampton 1949-4-1 422 Contra Costa Contra Costa County, Moraga Ridge. 60 Comment
  JEPS112099  Pyracantha crenatoserrata D. G. Kelch 2005-5-13 05 .246 Contra Costa Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  UC1748009  Quercus E. Dean, M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 656 Contra Costa Fossil Ridge, just below and 0.1 mi along fire rd that begins at the parking lot SE of Rock City and climbs onto Fossil Ridge in southeasterly direction Mount Diablo State Park 487 Comment
  CAS-BOT-BC104164  Quercus X morehus John Thomas Howell 1925-10-11 1503 Contra Costa Chaparral, Moraga Ridge, Oakland Hills Comment
  CAS-BOT-BC45660  Quercus agrifolia Mary L. Bowerman 1930-10-25 495 Contra Costa Near Sloan Road, Mount Diablo Comment
  CAS-BOT-BC45661  Quercus agrifolia Mary L. Bowerman 1933-4-22 1905 Contra Costa Curry-Cave Point trail: By water-trough, Mount Diablo 457 Comment
  CHSC39479  Quercus agrifolia Tyler Williams 1984-4-18 25 Contra Costa Mt. Diablo. At Live Oak Group Camp, ca 50 yd ne of site #15, in Rock City area of Mount Diable State Park. 304 Comment
  POM210976  Quercus agrifolia Joseph A. Ewan 1933-10-15 8027 Contra Costa SW slope of Mt Diablo 1067 Comment
  UCD45098  Quercus agrifolia John M. Burns 1959-3-4 s.n. Contra Costa Sand dunes along south side of San Joaquin River, just east of Antioch, Contra Costa County, California. Comment
  UC5471  Quercus agrifolia A. Resmond 1862-10-24 1474 Contra Costa near summit between Oakland and Walnut Creek Comment
  UC691300  Quercus berberidifolia Mary L. Bowerman 1930-8-31 444 Contra Costa near Rock City (Dan Cook (Rock City) Canyon); Mount Diablo Comment
  UC691312  Quercus berberidifolia Mary L. Bowerman 1935-11-30 3355 Contra Costa Fossil Ridge Mount Diablo Comment
  UC691275  Quercus chrysolepis Mary L. Bowerman 1930-10-25 496 Contra Costa Sloan Road Mount Diablo Comment
  UC691284  Quercus chrysolepis Mary L. Bowerman 1930-6-7 275 Contra Costa Mount Diablo summit Mount Diablo Comment
  CAS-BOT-BC86642  Quercus douglasii Brandegee s.n. Contra Costa unspecified Comment
  CAS-BOT-BC86643  Quercus douglasii Alice Eastwood 1923-5-4 11732 Contra Costa Mt. Diablo Comment
  RSA476582  Quercus douglasii Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC94251  Quercus garryana Alice Eastwood 1923-5-4 11704 Contra Costa Mt. Diablo Comment
  JEPS111963  Quercus kelloggii D. G. Kelch 2004-9-2 04 .330B Contra Costa Franklin Canyon - McHarry Ranch Rd. McHarry Ranch Road. 126 Comment
  UC691308  Quercus kelloggii Mary L. Bowerman 1931-9-27 1047 Contra Costa n side North Peak (Quicksilver Mine); Mount Diablo Comment
Read comments Jan 15 2014
  UCSC008846  Quercus kelloggii Al Keuter 2014-5-23 AK 00 -096 Contra Costa Along Bear Creek Road at San Pablo Creek. 91 Comment
  UC5623  Quercus kelloggii W. G. Klee 1878-1 Contra Costa between Lafayette and the Fish Ranch (on the road to Mt. Diablo) Comment
  JEPS37352  Quercus lobata W. L. Jepson 1916-10-22 6852 Contra Costa Las Trampas Ridge Comment
  UC1135713  Quercus lobata R. W. Lundh 1932-9-1 154 Contra Costa 1 mi n Eagle Point; Mt. Diablo Quad. 228 Comment
  UC848107  Quercus lobata Lewis S. Rose 1938-10-28 38306 Contra Costa 6 mi e Clayton; Marsh Creek 152 Comment
  RSA0016755  Quercus parvula var. shrevei Ellen Dean, Barbara Ertter, J. M. Tucker, C. Chaney 2000-9-13 650 Contra Costa City of El Sobrante; El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Road, junction of Heavenly Ridge Trail and Manzanita Trail. 213 Comment
  UCD47151  Quercus parvula var. shrevei H. D. Jones 1910-11-26 s.n. Contra Costa Mt. Diablo, Contra Costa County. Comment
  JEPS104763  Quercus wislizeni John L. Morrison 1937-3-6 1973 Contra Costa S of Antioch Comment
  UC691294  Quercus wislizeni Mary L. Bowerman 1932-1-30 1079 Contra Costa Inner Black Hills, head of ne fork (nw corner of the basin) Mount Diablo 670 Comment
  UC691296  Quercus wislizeni Mary L. Bowerman 1933-9-30 2449 Contra Costa Russelman Park Mount Diablo Comment
  CAS-BOT-BC362441  Rafinesquia californica Mary L. Bowerman 1930-6-14 327 Contra Costa Mount Diablo. Meridian Peak little below summit Comment
  POM270022  Ranunculus aquatilis var. capillaceus Mary L. Bowerman 1931-4-4 662 Contra Costa Pool W of Turtle Rock (can be seen from top of rock) covering a considerable area of the bottom of the dried up pool Comment
  UC2028488  Ranunculus aquatilis var. diffusus Barbara Ertter 1998-5-3 16057 Contra Costa Turtle Rock ponds along Barbeque Terrace Road in upper Pine Canyon, southwest flank of Mount Diablo Comment
  UCD84954  Ranunculus californicus Chuck Hughes 2010-4-1 226 Contra Costa About 0.6 mile east of Los Vaqueros Road. 305 Comment
  UC692188  Ranunculus canus Mary L. Bowerman 1931-3-21 587 Contra Costa Sycamore Canyon Mount Diablo 335 Comment
  SEINET12087454  Ranunculus canus Unknown 1931-1 2655 Contra Costa W. Base Mt. Diablo, Danville, Mt. Range: South Coast, Sacramento River, North slope Comment
  UCSB11261  Ranunculus canus Hayes, Judy 1961-3-30 Contra Costa 2 miles N of South Gate of Mount Diablo State Park 457 Comment
  POM268694  Ranunculus canus var. laetus Jos. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  JEPS112055  Ranunculus hebecarpus D. G. Kelch 2005-5-1 05 .188 Contra Costa Crockett - Edwards Canyon. Hill below Cummings Skyway, 100 ms west of Crockett Blvd. junction. 150 Comment
  UC118247  Ranunculus hebecarpus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC854399  Ranunculus hebecarpus Lewis S. Rose 1940-4-11 40180 Contra Costa 6 mi se Clayton; Marsh Creek 60 Comment
  POM269205  Ranunculus hebecarpus H. L. Mason 1929-3-29 5126 Contra Costa Marsh Creek Road, 2 miles above Clayton Comment
  SEINET3816544 Image available Ranunculus hebecarpus Lewis S. Rose 1934-3-21 34071 Contra Costa Marsh Creek, 6 miles east of Clayton. Comment
  JEPS102904  Ranunculus lobbii Barbara Ertter with Mary Bowerman 1995-5-7 14035 Contra Costa pond W of Three Springs trail on NE side of mouuntain Mount Diablo 304 Comment
  JEPS112057  Ranunculus muricatus D. G. Kelch 2004-4-24 04 .96 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  UC1084395  Ranunculus occidentalis G. Thomas Robbins 1937-4-25 140 Contra Costa hillside near La Vista Comment
  UC61031  Ranunculus orthorhynchus var. bloomeri N. L. Gardner 1904-2-17 Contra Costa Happy Valley Comment
  RSA721368  Ranunculus sceleratus Barbara J. Ertter 1995-7-11 14485 Contra Costa W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond. 183 Comment
  UC2027957  Ranunculus sceleratus Barbara Ertter with Joanne Kerbavaz 2000-8-20 17499 Contra Costa South side Mount Diablo, spring feeding Chase Pond. Comment
  UC2028045  Raphanus raphanistrum Barbara Ertter 1998-3-1 15923 Contra Costa Diablo Foothills Regional Park, just south end of Shell Ridge Loop Trail southeast of Old Borges Ranch. Comment
  UC650429  Raphanus sativus Ira L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island Comment
  SEINET11268201  Raphanus sativus Barbara Ertter 1998-6-12 16160 Contra Costa North Gate Road on west flank of Mount Diablo, dogleg in road above raches opposite Angel Kerley trail head.; 0 579 Comment
  CDA29197  Rhamnus californica D. G. Kelch 2008-6-15 8 .249 Contra Costa Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd. Comment
  CAS-BOT-BC59895  Rhamnus ilicifolia Peter Rubtzoff 1951-10-7 816 Contra Costa Ca. 3 mi. ne. of Moraga, near Trampas and Grizzly Creeks. Comment
  UC1121879  Rhamnus ilicifolia G. T. Nordstrom 1937-11-9 1411 Contra Costa 3.2 mi se Somerville; Mt. Diablo Quad. 198 Comment
  UC311490  Rhamnus ilicifolia A. D. E. Elmer May 1903 4326 Contra Costa Mount Diablo Comment
  UC692598  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1933-5-21 2151 Contra Costa s of Curry Canyon (Grapevine Spring gulley, slightly above the spring); Mount Diablo Comment
  JEPS77004 Image available Ribes amarum Robert M. Lloyd 1963-3-17 2133 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline Drive), Huckleberry trail); Huckleberry trail Comment
  SBBG28501  Ribes californicum E. Mulliken 1905-1-28 Contra Costa Wildcat Cyn, Berkeley Hills Comment
  SD2124  Ribes californicum Earle Mulliken 1905-2-5 161 Contra Costa Berkeley Hills. Comment
  SD2125  Ribes californicum Earle Mulliken 1905-1-28 161 Contra Costa Wildcat CaA'on, Berkeley Hills. Comment
  JEPS116743  Ribes divaricatum var. pubiflorum David Gowen 2007-3-22 667 Contra Costa Old Tunnel Rd. south of east entrance to Caldecott Tunnel. Comment
  CAS-BOT-BC168919  Ribes malvaceum E. M. Zeile 1921-11-19 s.n. Contra Costa Mt. Diablo Comment
  RSA0021636  Ribes malvaceum Alice Eastwood, J. T. Howell 1936-4-19 2140 Contra Costa Nortonville. Comment
  CAS-BOT-BC168920  Ribes malvaceum Rimo Bacigalupi 1924-2-17 s.n. Contra Costa Lower slopes of Mt. Diablo (Black Hills) along new auto road from Diablo Station, at Garden of the Julgle Gods 457 Comment
  CAS-BOT-BC206016  Ribes menziesii Mary L. Bowerman 1944-6-19 3894 Contra Costa Mount Diablo. Summit Comment
  UC691487  Rigiopappus leptocladus Mary L. Bowerman 1935-4-17 2835 Contra Costa 2 mi from North Gate (North Road, ridge w of chaparral); Mount Diablo 286 Comment
  UC1818896  Rigiopappus leptocladus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14063 Contra Costa Three-Springs Trail on NE side of Mt. Diablo SE of Clayton, small serpentine patch at road junction Comment
  UC1050828  Romneya coulteri N. Floy Bracelin 1941-6-1 1344 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC75017  Rorippa palustris Walter Knight; Rolf Bensler; Brian Atwater; J. Dean; Bryan Mortensen 1979-4-13 3363 Contra Costa Browns Island. Crooked Slough. Comment
  UC1795617  Rosa Barbara Ertter 1993-4-2 11481 Contra Costa along railroad west of Crockett at west edge of Carquinez Straits Comment
  CAS-BOT-BC147409  Rosa californica Walter Knight; Joanne Dean 1978-8-14 3180 Contra Costa Browns Island Comment
  CDA23621  Rosa gymnocarpa D. G. Kelch, D. A. Weinstein 2008-4-15 8 .046 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  OBI10018  Rosa gymnocarpa H. E. McMinn 1932-1 5278 Contra Costa Orinda Comment
  UC691149  Rosa gymnocarpa Mary L. Bowerman 1931-5-23 895 Contra Costa Alamo Canyon Mount Diablo (n-facing bank in canyon bottom) 487 Comment
  CAS-BOT-BC147206  Rubus parviflorus Mary L. Bowerman 1933-5-19 2140 Contra Costa Below Morgan Sulphur Spring 335 Comment
  CAS-BOT-BC147205  Rubus parviflorus Mary L. Bowerman 1933-11-4 2464 Contra Costa Alder Creek Springs 487 Comment
  CAS-BOT-BC158775  Rubus ursinus Alice Eastwood 1915-5-30 4448 Contra Costa Mt. Diablo Comment
  UC12996  Rubus ursinus W. H. Brewer 1862-5-17 1107 Contra Costa Canyon n Monte Diablo; Canyon n of Monte Diablo Comment
  UC2032842  Rubus ursinus Doran, Andrew Scott 2012-3-20 713 Contra Costa North east side of Brooks Island Comment
  CDA25734  Rumex acetosella D. G. Kelch, D. A. Weinstein 2008-4-15 8 .042 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  JEPS99969  Rumex crispus A. Langston 2003-6-23 AL 55 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC407042  Rumex crispus Ira L. Wiggins 1930-4-18 4605 Contra Costa Jersey Island Comment
  JEPS112030  Rumex obtusifolius Dean G. Kelch and Andrew G. Murdock 2005-4-24 DGK 05 .177 Contra Costa Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon. Comment
  JEPS41049  Rumex salicifolius var. salicifolius Rimo Bacigalupi, and L. R. Heckard 1965-5-11 9074 Contra Costa sw of Richmond (w side of Brooks Island); San Francisco Bay, Brooks Island 6 Comment
  UC692209  Rumex salicifolius var. salicifolius Mary L. Bowerman 1935-10-26 3346 Contra Costa 2 rd mi e Mount Diablo west entrance; Mount Diablo 228 Comment
  JEPS121055  Rupertia physodes Dean G. Kelch and Andrew G. Murdock 2004-5-9 042 .12 Contra Costa Crockett - Bull Valley Comment
  UC1795720  Sagina apetala Barbara Ertter, Chris Thayer 1995-4-25 13991 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  UCD143634  Sagina procumbens Mack Osborne 1948-6-25 s.n. Contra Costa Danville. Comment
  POM208488  Sagittaria latifolia H. M. Hall 1916-8-16 10273 Contra Costa Antioch. Region of San Francisco Bay. Comment
  UC194965  Sagittaria latifolia H. M. Hall 1916-8-16 10273 Contra Costa Antioch , Antioch (Region of San Francisco Bay) Comment
  UCR265185  Salicornia pacifica Barbara Ertter, Elizabeth Neese 1988-10-15 7974 Contra Costa Central Coast, El Cerrito, west of Hwy I-580, west side along Rydin Road north of Central Avenue 4 Comment
  JEPS22093  Salicornia virginica G. Thomas Robbins 1958-7-19 3904 Contra Costa about 0.75 mi s Pt. San Pablo, Potrero San Pablo, Richmond; San Francisco Bay, Point Orient Comment
  UC69365  Salix Wm. W. Mott 1905-1-10 Contra Costa near Berkeley (n.e. corner of San Pablo Ave. & McAvoy Lane, opposite 7 Mile House) Comment
  UC69370  Salix Wm. W. Mott 1905-3-1 Contra Costa n.e. corner San Pablo Ave. & McAvoy Lane Comment
  CAS-BOT-BC129909  Salix bonplandiana Alice Eastwood 1921-4-18 10305 Contra Costa Antioch Comment
  CAS-BOT-BC129914  Salix bonplandiana Mary L. Bowerman 1933-11-9 2468 Contra Costa Meridian Peak; spring on ridge west of Old Government Trail, fifty feet from head of spring - Mount Diablo 533 Comment
  CAS-BOT-BC129919  Salix bonplandiana Mary L. Bowerman 1933-5-10 2067 Contra Costa Mount Diablo - spring on ridge below Indian Ceremonial Spring 975 Comment
  UC691958  Salix exigua var. hindsiana Mary L. Bowerman 1935-5-30 3080 Contra Costa by Donner Canyon stream Donner Canyon; Mt. Diablo, Donner Canyon 152 Comment
  CDA15252  Salix gooddingii G. F. Hrusa, D. Crowe 1998-5-8 14383 b Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  CAS-BOT-BC104086  Salix hindsiana Mary L. Bowerman 1935-5-30 3080 Contra Costa By Donner Canyon stream 152 Comment
  CAS-BOT-BC104085  Salix hindsiana Mary L. Bowerman 1936-5-6 3412 a Contra Costa Mitchell Canyon 152 Comment
  JEPS112251  Salix laevigata D. G. Kelch 2004-5-7 04 .198 Contra Costa Canada del Cierbo 40 Comment
  SEINET3158569  Salix laevigata H. P. Chandler 1901-3-22 858 Contra Costa Pacheco Comment
  UC650582  Salix laevigata Ira L. Wiggins 1930-4-18 4601 Contra Costa levee banks Jersey Island Comment
  UC691924  Salix laevigata Mary L. Bowerman 1935-6-1 3119 Contra Costa by rd. just below Silver Springs Grapevine Picnic Grounds; Mt. Diablo 853 Comment
  UC692053  Salix laevigata Mary L. Bowerman 1935-10-26 3348 Contra Costa creek bottom at road junction Mt. Diablo 640 Comment
  POM300724  Salix laevigata Mary L. Bowerman 1931-3-14 566 Contra Costa Riggs Canyon, E side. Mount Diablo. Comment
  CDA39557  Salix lasiolepis D. G. Kelch 2005-3-11 5 .038 Contra Costa Carquinez Strait Region; Martinez - Franklin Hills. Carquinez Shoreline EBRP. West of Martinez High School. Comment
  OBI70551  Salix lasiolepis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .087 Contra Costa Alvarado Park (W end of Wildcat Canyon Park) 122 Comment
  UC2032847  Salix lasiolepis Doran, Andrew Scott 2012-3-20 718 Contra Costa Southern part of Brooks Island, old quarry near gravel conveyer belt and grind house. Comment
  UC692055  Salix lasiolepis Mary L. Bowerman 1932-8-27 1520 Contra Costa spring s Turtle Rock; Mount Diablo Comment
  JEPS79009  Salsola tragus Edward Lee with Annetta Carter 1935-8-17 1618 Contra Costa just e. Antioch Comment
  POM71109  Salvia mellifera H. P. Chandler 1901-4-5 976 Contra Costa Mt. Diablo Comment
  UCD36923  Salvia mellifera Beecher Crampton 1956-5-14 3406 Contra Costa Southern boundary of Mount Diablo State Park. Comment
  SEINET12273224  Salvia mellifera M. T. Doutt 1930-1 89 Contra Costa Marsh Creek Comment
  UC25745  Salvia spathacea F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UCD150884  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1972-11-9 s.n. Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UCD164883  Sambucus nigra subsp. caerulea Henry House 1995-5-20 1995- 12 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  CAS-BOT-BC223247  Sanicula bipinnata Alice Eastwood; John Thomas Howell 1936-4-19 s.n. Contra Costa Nortonville Comment
  CAS-BOT-BC223248  Sanicula bipinnata Mrs. Brandegee No date on label s.n. Contra Costa Antioch Comment
  SEINET13945126 Image available Sanicula bipinnata Lewis S. Rose 1934-1 34063 Contra Costa 3 mi. E. of Clayton Comment
  UCD127997  Sanicula bipinnata P. B. Kennedy 1927-4-10 s.n. Contra Costa Mount Diablo. Comment
  UCD127998  Sanicula bipinnata P. B. Kennedy 1925-4-26 s.n. Contra Costa Sycamore Canon Road, Mt. Diablo. Comment
  UCSB4634  Sanicula bipinnata Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Head of Pine Canyon, Mt. Diablo 533 Comment
  JEPS111603  Sanicula bipinnatifida D. G. Kelch 2003-3-21 03 .50 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  RSA720813  Sanicula bipinnatifida Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12335 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, southeast side of hill. 30 Comment
  RSA0033930  Sanicula crassicaulis Barbara Ertter, Richard K. Brummitt 1998-5-6 16087 Contra Costa Lower Donner Canyon Road on north base of Mount Diablo, ca. 1/2 miles south of Donner cabin site. 304 Comment
  JEPS2845 Image available Sanicula saxatilis Edw. L. Greene 1892-6-1 Contra Costa Mt. Diablo Comment
  UC480613  Sanicula saxatilis Carl Meyer 1928-2-22 281 Contra Costa Mount Diablo Comment
  UC666653  Sanicula saxatilis John Thomas Howell 1942-5-24 16969 Contra Costa Mount Diablo, Eagle Peak Mount Diablo; , Eagle Peak Comment
  JEPS98659  Sanicula tuberosa O. Gomez, L. Schulties and P. Vargas 1996-5-29 43 PV96 Contra Costa trail between Mt. Diablo Peak and North Peak Mt. Diablo State Park Comment
  UC2029042  Sanicula tuberosa Barbara Ertter 2000-3-19 16895 Contra Costa Southwest side of Mount Diablo, Secret Trail between Barbecue Terrace Road and Wall Point Road. Comment
  JEPS43797  Saxifraga californica E. W. Hicks 1917-3-24 107 Contra Costa Mount Diablo 304 Comment
  SEINET3840825  Scabiosa atropurpurea Unknown 2006-6-23 6 .322 Contra Costa West Valona, West of Zampa Bridge above San Pablo avenue, along small stream draining north into the Western end of the Carquinez Strait 91 Comment
  RSA771187  Scandix pecten-veneris Barbara Ertter 1991-6-1 10072 Contra Costa Las Trampas Regional Wilderness in hills of Danville, paved portion of Rocky Ridge Trail ca 1 mile from parking lot 488 Comment
  CAS-BOT-BC111379  Schoenoplectus acutus var. occidentalis LeRoy Abrams 1916-7-29 6304 Contra Costa Martinez Comment
  CAS-BOT-BC111461  Schoenoplectus californicus Ira L. Wiggins 1930-11-18 4592 Contra Costa Levees, Jersey Island. Comment
  CAS-BOT-BC111463  Schoenoplectus californicus Walter Knight; Irja Knight 1977-5-22 s.n. Contra Costa Growing at site of little corral. Antioch Dunes. Comment
  CAS-BOT-BC111830  Schoenoplectus tabernaemontani Virginia I. Dains; Walter Knight 1986-8-8 5458 Contra Costa Lct Rock S1 & Werner Cut. Comment
  SEINET192303  Scirpus acutus O. Woggoms, Woggoms 1930-4-18 4589 Contra Costa Jersey Island Contra Costa Co. Comment
  UC650560  Scirpus californicus Ira L. Wiggins 1930-4-18 4592 Contra Costa Levee bank Jersey Island Comment
  JEPS111881  Scirpus maritimus A. G. Murdock 2004-5-28 300 Contra Costa Luzon 60 Comment
  CDA23594  Scirpus microcarpus D. G. Kelch 2007-9-8 7 .58 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  UC584351  Scribneria bolanderi G. L. Stebbins Jr. 1937-5-1 2112 Contra Costa 1 mi s of Summerfield (Summerfield=Somersville, at the head of Walker Canyon; due s of Antioch) Comment
  UC1948943  Scrophularia californica William J. Ferlatte, L. Maynard Moe 1970-4-27 1223 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC2032823  Scrophularia californica Doran, Andrew Scott 2012-3-20 693 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  PASA1037  Scrophularia californica Annetta Carter 1929-3-31 Contra Costa Near Clayton. Hills north of Mt. Diablo Comment
  UC565460  Scutellaria tuberosa Herbert L. Mason 1928-4-15 4342 Contra Costa top of Moraga Ridge Comment
  RSA0068478  Scutellaria tuberosa Katie Gallagher, Nick Jensen 2014-4-26 200 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  SEINET3153355  Scutellaria tuberosa L. S. Rose 1940-4-30 40250 Contra Costa Marsh Creek, 4 mi. E of Clayton 91 Comment
  JEPS48062  Sedum spathulifolium W. L. Jepson 1918-6-5 7610 Contra Costa summit North Peak (Mt. Diablo); , summit of North Peak 1066 Comment
  UC691356  Senecio aronicoides Mary L. Bowerman 1933-5-22 2166 Contra Costa Mount Diablo , Inner Black Hills (near crest, Inner Black Hills) Comment
  UCD102385  Senecio aronicoides Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 890 Comment
  JEPS19398  Senecio flaccidus var. douglasii G. Thomas Robbins 1940-5-19 326 Contra Costa e of Antioch (hills bordering San Joaquin River); San Joaquin River Comment
  JEPS79322  Senecio flaccidus var. douglasii Edward Lee with Annetta Carter 1935-8-17 1634 Contra Costa Antioch Comment
  RSA107411  Senecio flaccidus var. douglasii L. S. Rose 1955-10-17 55186 Contra Costa Antioch 15 Comment
  CAS-BOT-BC327444  Senecio flaccidus var. douglasii Walter Knight 1965-3-1 s.n. Contra Costa Overlooking Carquinez Straits Comment
  UC335828  Senecio triangularis unknown Contra Costa near Mt. Diablo; near Mt. Diablo Comment
Read comments Feb 11 2013
  JEPS48264  Sequoia sempervirens K. D. Jones 1908-4-5 Contra Costa Redwood Peak Comment
  SBBG363  Sequoia sempervirens J. M. Tucker 1946-3-14 1377 Contra Costa ca. 200 yds S of summit of Redwood Peak Comment
  CDA33500  Sesbania punicea Slate 2010-7-6 PDR# 1649539 Contra Costa Alamo; 155 Via Bonita 0 Comment
  CDA37437  Sesbania punicea D. G. Kelch, Mike Perlmutter 2011-9-23 11 .764 Contra Costa Antioch. Dow Wetlands. Comment
  UC692651  Silene californica Mary L. Bowerman 1935-6-15 3138 Contra Costa crest of Eagle Point ridge at edge of chaparral and on margin of chaparral on w face..Arctostaphylos..Quercus burned in 1931 Mount Diablo, Eagle Point Ridge (are bordered by band Eriodictyon..) 792 Comment
  JEPS111788  Silene gallica D. G. Kelch 2005-3-24 05 .57 Contra Costa Point Pinole: Southern Pt. Pinole 3 Comment
  JEPS73598  Silene gallica L. R. Heckard 1971-4-22 2494 Contra Costa e. Pinole (along R.R. grade near Hwy. 80 crossing) Comment
  UC2029065  Silene laciniata subsp. californica Barbara Ertter 2000-7-29 17440 Contra Costa Donner Basin on north side of Mount Diablo, lower Middle Trail between first creek crossing and Falls Trail junction. Comment
  CAS-BOT-BC74935  Sinapis arvensis Ira L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island. Comment
  JEPS68973  Sinapis arvensis Edward Lee 1972-3-29 1307 Contra Costa 1.6 mi. e. Clayton (n. of Mt. Diablo) Comment
  POM181429  Sinapis arvensis I. L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island. Comment
  UC1126829  Sinapis arvensis C. M. Belshaw 1936-5-13 2120 Contra Costa se of Deer Valley Deer Valley 91 Comment
  RSA0027946  Sinapis arvensis Barbara Ertter 1998-4-4 15959 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, west base of northwestern-most ridge, around old orchard. Comment
  UC2028152  Sinapis arvensis Barbara Ertter 1998-4-4 15959 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UCD115408  Sinapis arvensis Morris Halperin 1929-4-21 s.n. Contra Costa Franklin Canon. Comment
  CHSC24717  Sisyrinchium bellum G. Strang 1976-4-13 12 Contra Costa Hills directly S.W. of archery range in Briones Park. 182 Comment
  JEPS112431  Sisyrinchium bellum A. G. Murdock 2004-3-19 220 Contra Costa Luzon Sycamore Ave. just east of Rodeo/Hercules where train crosses Highway 4 (Luzon). Top of ridge to south of road. 60 Comment
  RSA310841  Sisyrinchium bellum John Weiler 1959-4-5 5937 Contra Costa Along Bear Creek road Comment
  SEINET4061707  Sisyrinchium bellum M. W. Garcia 1960-1 60030 Contra Costa Collected on back of Tilden Park. 60 Comment
  UC1606338  Solanum americanum Barbara Ertter, Brad Olson 1991-9-28 10845 Contra Costa between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir 94 Comment
  CDA5987  Solanum rostratum J. Moon 1959-7-3 Contra Costa Macdonald Avenue and railroad yard, Richmond. 0 Comment
  CAS-BOT-BC157454  Solanum umbelliferum A. Eastwood 1915-6-21 4728 Contra Costa San Leandro Comment
  JEPS75486  Solanum umbelliferum P. F. Yorks 1974-3-22 118 Contra Costa 1.8 km s of Bear Creek Road on Hampton Road (in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  JEPS99576  Solanum umbelliferum Mary Bowerman 1975-5-11 Contra Costa Mount Diablo, Back Creek. Comment
  UC691749  Solanum umbelliferum Mary L. Bowerman 1930-6-5 258 Contra Costa Mount Diablo, West Road = North Road, 5.8 mi from entrance Mount Diablo 457 Comment
  RSA181413  Solanum umbelliferum James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC26241  Solanum umbelliferum unknown 1900-3-26 Contra Costa Oakley Comment
  UC1051128  Solanum xanti N. Floy Bracelin 1943-8-22 2584 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS100171  Solidago velutina subsp. californica A. Langston 2003-6-19 AL 47 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS75542  Solidago velutina subsp. californica P. F. Yorks 1975-9-6 495 Contra Costa on Hampton Road ca 1.4 km s Bear Creek Road beyond entrance gate to Hampton Road Nature Reserve (n of Briones Reservoir); beyond entrance gat to Hampton Road Nature Reserve, Briones 170 Comment
  UCD163099  Solidago velutina subsp. californica Robert E. Preston 2014-5-28 2966 Contra Costa Morgan Territory, 3 mi SW of Los Vaqueros Reservoir. 290 Comment
  UC2028175  Sonchus asper subsp. asper Barbara Ertter 1998-5-3 16044 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo. Comment
  CHSC23344  Sonchus oleraceus Willis Ball 1975-3-2 468 Contra Costa Contra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake. 32 Comment
  UC1618378  Sorghum bicolor Barbara Ertter, Brad Olson 1993-10-30 12291 Contra Costa w of railroad tracks n of mouth of Pinole Creek (along railroad track, San Pablo Regional Shoreline); San Pablo Regional Shoreline Comment
  JEPS107075  Spartina densiflora Barbara Ertter, Rich Rabeler 1994-6-18 12835 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; beach on North side Whittell Marsh. Comment
  UC1795889  Spartina densiflora Barbara Ertter, Rich Rabeler 1994-6-18 12835 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; beach on North side Whittell Marsh. Comment
  UC1818860  Spergula arvensis subsp. arvensis Barbara Ertter, Kristin Ertter 1995-7-11 14467 Contra Costa Diablo Foothills Regional Park, dried road bed at base of east-facing cliff. 121 Comment
  UC2028042  Spergula arvensis subsp. arvensis Barbara Ertter 1998-3-1 15925 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  CDA9448  Spergularia macrotheca var. longistyla D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .226 Contra Costa Byron Airport. Comment
  UC1948956  Spergularia macrotheca var. macrotheca William J. Ferlatte, L. Maynard Moe 1970-4-27 1265 Contra Costa San Francisco Bay: Red Rock Island Comment
  CDA24134  Spergularia marina D. G. Kelch 2006-7-14 6 .328 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  JEPS111531  Spergularia marina D. G. Kelch 2005-5-5 05 .215 Contra Costa Point Pinole - Giant Marsh 3 Comment
  UCD150899  Spergularia marina James A. Neilson Jr. 1972-10-22 3504 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  UC2027786  Spergularia marina Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17630 Contra Costa Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion. Comment
  UC2027744  Spergularia rubra Barbara Ertter 1997-1-5 15436 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  UC2029011  Spergularia rubra Barbara Ertter with Dan Norris 1999-11-14 16852 Contra Costa Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite. Comment
  CHSC23016  Spergularia salina Robert A. Schlising 1962-4-7 2141 Contra Costa Coast Ranges. Field along Deer Valley Road, few mi S of Antioch. Comment
  UC70569  Stachys ajugoides var. rigida Miss Carlotta Case July, 1904 Contra Costa Muir Station Comment
  UC884274  Stachys ajugoides var. rigida Lewis S. Rose 1935-5-16 35172 Contra Costa Mt. Diablo Comment
  UC903066  Stachys ajugoides var. rigida Ethel Crum 1932-10-16 1471 Contra Costa 3 mi nw San Ramon; San Ramon Valley 143 Comment
  JEPS112465  Stachys albens A. G. Murdock 2004-6-4 322 Contra Costa Pacheco Marsh 5 Comment
  JEPS78608  Stachys albens Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3303 Contra Costa Alder Point Browns Island Comment
  POM312580  Stachys albens Malcolm A. Nobs, S. Galen Smith 1949-7-8 943 Contra Costa Otto s Black Bass Resort, 4 miles north of Kingston. Comment
  POM300999  Stachys bullata Mary L. Bowerman 1933-5-18 2119 Contra Costa Mount Diablo, Blackberry Spring. Comment
  JEPS112467  Stachys pycnantha A. G. Murdock 2004-5-28 278 Contra Costa Refugio Valley 120 Comment
  UC2055623  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8043 Contra Costa Mt. Diablo. 1066 Comment
  RSA0068488  Stachys rigida var. quercetorum Katie Gallagher, Nick Jensen 2014-4-26 186 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  RSA0027716  Stebbinsoseris heterocarpa Barbara Ertter 1998-5-3 16076 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. 457 Comment
  CAS-BOT-BC386941  Stellaria media Walter Knight 1965-3-1 909 Contra Costa Antioch dunes Comment
  CAS-BOT-BC386943  Stellaria media Ira L. Wiggins 1930-4-18 4598 Contra Costa N. end of Jersey Island Comment
  UC692303  Stellaria nitens Mary L. Bowerman 1932-3-12 1115 Contra Costa Alamo Canyon Mount Diablo (50 ft above stream) 365 Comment
  CDA144  Stephanomeria exigua D. G. Kelch, D. A. Weinstein 2007-8-26 7 .553 Contra Costa Carquinez Strait; Ozol Rock, W Martinez. Comment
  SBBG42912  Stephanomeria exigua subsp. coronaria L. D. Gottlieb 1969-11-2 6959 Contra Costa E of Antioch, W of Kaiser Gypsum Plant at Minaker and Wilbur Rds Comment
Read comments Feb 12 2013
  UC1394166  Stephanomeria exigua subsp. coronaria L. D. Gottlieb 1969-11-2 6959 Contra Costa e of Antioch (w of Kaiser Gypsum Plant, at Minaker and Wilbur Roads) Comment
  CDA22494  Stephanomeria virgata subsp. pleurocarpa D. G. Kelch, Mike Park 2008-9-1 8 .289 Contra Costa Carquinez Strait; Ozol Rock W of Martinez. Comment
  UC1950089  Stipa cernua Barbara Ertter 1990-5-19 8998 Contra Costa Layfayette Ridge of Briones Regional Park N of Lafayette; S-facing slope S of Russell Peak Comment
  UC2028379  Stipa pulchra Barbara Ertter 1998-6-20 16243 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo,below picnic ground at Old Borges Ranch Comment
  UC2029191  Stipa pulchra Barbara Ertter with Brad Olson et al. 2000-6-2 17298 Contra Costa North side Brushy Peak Regional Preserve NE of Livermore Comment
  JEPS124451  Streptanthus albidus subsp. peramoenus Daniel Slakey with Diana Wahl 2015-6-13 129 Contra Costa Mt. Diablo State Park. Both above and below Burma Road; southwest-facing bank above fire trail. Comment
  CAS-BOT-BC87344  Streptanthus hispidus Mary L. Bowerman 1930-6-7 280 Contra Costa Mount Diablo. Meridian Peak summit. Comment
  RSA66600  Streptanthus hispidus Annetta Carter 1935-6-1 880 Contra Costa NW slope of Mount Diablo near summit; 1067 Comment
  SBBG29885  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Contra Costa trail between Juniper Camp and Deer Flat, Mt Diablo Comment
  UC629716  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Contra Costa trail between Juniper Camp and Deer Flat; Mount Diablo 990 Comment
  UC2042772  Stuckenia pectinata Barbara Ertter with Lynne Hosley 1992-8-29 11268 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, stock pond near junction of Eagle and Volvon trails at north end of preserve. Comment
  UC2028482  Stuckenia pectinata Barbara Ertter with Chris Thayer 1996-10-25 15371 Contra Costa Northwest flank of Mount Diablo, Tick Pond at arc of Falcon Road between North Gate Road and Castle Rock Comment
  CAS-BOT-BC422916  Stylomecon heterophylla Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  UC1614103  Stylomecon heterophylla Charles M. Belshaw 1935-6-24 785 Contra Costa 1/2 mi e of Grizzly Peak (Bald Peak); Bald Peak Comment
  UC1733834  Stylomecon heterophylla Kay H. Beach 1941-4-30 1078 Contra Costa 7 mi W of Byron; Marsh Creek 30 Comment
  CAS-BOT-BC422906  Stylomecon heterophylla W. W. Carruth 1900-5-1 s.n. Contra Costa Moraga Valley Comment
  UC1238003  Suaeda moquinii John H. Weiler 1961-4-9 6173 Contra Costa 3 mi s Byron (e side of road) Comment
  UC1746042  Suaeda moquinii Annetta M. Carter 1951-5-13 3056 Contra Costa 3.3 mi. S of Byron. Comment
  RSA438613  Suaeda moquinii E. E. Stanford 1930-08 1867 Contra Costa near Old River Comment
  LA204633  Symphoricarpos albus J. A. Ewan; 1936-5-3 9500 Contra Costa Wildcat Creek Comment
  RSA29681  Symphoricarpos albus var. laevigatus Joseph A. Ewan 1936-5-3 9500 Contra Costa Wildcat Creek. Comment
  JEPS13659  Symphoricarpos mollis H. H. Haworth 1917-5-3 Contra Costa Redwood Peak Comment
  UC691759  Symphoricarpos mollis Mary L. Bowerman 1930-6-18 352 Contra Costa w side, little below summit Meridian Peak; Mount Diablo Comment
  UC2028011  Symphyotrichum chilense Barbara Ertter 1998-1-4 15886 Contra Costa South end of Diablo Foothills Regional Park southeast of Walnut Creek, Alamo Trail just outside of park. Comment
  UC2046322  Symphyotrichum lanceolatum var. hesperium Barbara Ertter 2000-10-26 17550 Contra Costa West side Mount Diablo, Little Pine Creek near park boundary, just upstream from Falcon Road creek crossing. Comment
  UC1555363  Symphyotrichum lentum Jerry Powell 1988-9-28 1548 Contra Costa Point Molate West Richmond Comment
  JEPS111672  Symphyotrichum subspicatum D. G. Kelch 2003-6-22 03 .92 Contra Costa Selby At start of trail on south side in grassland 40 Comment
  SEINET3145883  Symphyotrichum subulatum L. S. Rose 1938-10-28 38312 Contra Costa Byron 3 Comment
  UC2027883  Symphyotrichum subulatum Barbara Ertter with Chris Thayer 1996-10-25 15368 Contra Costa Northwest flank of Mount Diablo, east end Northgate Trail from North Gate Road to Diablo Foothills Regional Park. Comment
  CDA37133  Tamarix parviflora Wil Schaub 2012-4-19 PDR# 1641195 Contra Costa Lafayette; 3954 Las Arabis Drive. 0 Comment
  UC2028177  Taraxacum laevigatum Barbara Ertter 1998-5-3 16042 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo. Comment
  CAS-BOT-BC447423  Tellima grandiflora Elsie Zeile 1909-4-18 s.n. Contra Costa Redwood Peak Comment
  UC1819074  Tetragonia tetragonoides Barbara Ertter, Drew Hansen 1995-3-28 13935 Contra Costa Chevron oil refinery in northwest Richmond off of Castro St., south of Wildcat Creek Comment
  UC169716  Tetrapteron graciliflorum Katharine Brandegee April 1889 Contra Costa Antioch Comment
  UC20472  Tetrapteron graciliflorum J. Burtt Davy 1895-4-7 904 Contra Costa Antioch Comment
  UC1050827  Thalictrum dipterocarpum N. Floy Bracelin 1942-6-29 2129 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCD96763  Thalictrum fendleri var. polycarpum Margaret Siri 1974-5-12 39 Contra Costa East-west canyon off-shoot, east of the bottom of Rifle Range Road, Wildcat Canyon. Comment
  CDA29193  Thinopyrum elongatum D. G. Kelch 2008-6-15 8 .248 Contra Costa Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd. Comment
  CAS-BOT-BC88249  Thysanocarpus curvipes Alice Eastwood 1923-5-4 11702 Contra Costa Mount Diablo. Comment
  JEPS54181  Thysanocarpus curvipes W. L. Jepson 1891-5-24 5 g Contra Costa Mt. Diablo Comment
  UC691251  Thysanocarpus curvipes Mary L. Bowerman 1931-4-19 740 Contra Costa Mitchell Canyon below Deer Flat Mount Diablo (Mount Diablo); , Mitchell Canyon below Deer Flat Comment
  CAS-BOT-BC88246  Thysanocarpus curvipes Alice Eastwood 1914-2-24 3737 Contra Costa Anticoch. Comment
  CAS-BOT-BC88247  Thysanocarpus curvipes Alice Eastwood 1914-2-24 3738 Contra Costa Anticoch. Comment
  RSA0039373  Thysanocarpus curvipes var. curvipes John Thomas Howell 1934-4-8 11821 Contra Costa Marsh Creek Road SW of Brentwood. Comment
  UC691135  Thysanocarpus laciniatus Mary L. Bowerman 1931-4-18 713 Contra Costa Sycamore Canyon Mount Diablo (Mount Diablo); , Sycamore Canyon 335 Comment
  UC692580  Toxicodendron diversilobum Mary L. Bowerman 1942-5-24 3845 Contra Costa W. Fork Sycamore Creek (Madrone Canyon) below Rock City Camp; Mt. Diablo, Madrone Canyon, W. Fork Sycamore Creek Comment
  CAS-BOT-BC172937  Toxicodendron diversilobum Mary L. Bowerman 1942-5-24 3845 Contra Costa West fork of Sycamore Creek (Madrone Canyon), below lower Rock City Camp Comment
  CAS-BOT-BC172938  Toxicodendron diversilobum B. Lacoste 1920-10-1 s.n. Contra Costa On hill slope by Lake Aliso Comment
  SEINET5577082  Toxicodendron diversilobum H. S. Gentry 1931-1 56 Contra Costa Collected on Mt. Diablo near Buckle Point. Comment
  CAS-BOT-BC377055  Tragopogon dubius R. E. Frenkel 1964-4-29 466 Contra Costa On the south side of Ignacio Valley Road, 0.6 mile west of the junction with Marsh Creek Road 182 Comment
  JEPS107101  Tragopogon porrifolius Barbara Ertter 1991-5-12 9812 Contra Costa Point Isabel Regional Shoreline in SW corner of El Cerrito; along old railroad right-of-way between San Francisco Bay and Salicornia marsh. Comment
  JEPS63121  Trichostema lanceolatum W. L. Jepson 1895-9-14 14880 Contra Costa Lafayette Comment
  UCR66560  Trientalis latifolia F. W. Peirson 1926-4-10 6635 Contra Costa Boulevard near San Pablo Reservoir Comment
  UC148552  Trifolium albopurpureum var. albopurpureum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC692673  Trifolium albopurpureum var. albopurpureum Mary L. Bowerman 1933-4-15 1858 Contra Costa s Arroyo del Cerro (canyon) Comment
  UC1795831  Trifolium albopurpureum var. albopurpureum Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14588 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  UC16612  Trifolium albopurpureum var. dichotomum Jos. Burtt Davy 1901-4-21 7048 Contra Costa Wildcat Canyon Comment
  UC33320  Trifolium barbigerum W. C. Blasdale June 1891 Contra Costa near Redwood Peak Comment
  CDA29497  Trifolium bifidum D. G. Kelch, Troy MacGregor 2009-5-1 9 .273 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  UC146057  Trifolium bifidum var. decipiens Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  JEPS127104  Trifolium campestre Lowell Ahart, Josephine Guardino 2016-4-19 20755 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  SBBG29985  Trifolium ciliolatum J. T. Howell 1933-5-14 11245 Contra Costa hills E of St Mary's College Comment
  UC146899  Trifolium ciliolatum Katharine Brandegee may 1907 Contra Costa Antioch Comment
  UC517489  Trifolium ciliolatum John Thomas Howell 1933-5-14 11245 Contra Costa e St. Mary's College (hills) Comment
  UC33308  Trifolium depauperatum var. amplectens W. C. Blasdale 1891-4-25 Contra Costa Point Isabel Comment
  RSA537536  Trifolium depauperatum var. amplectens Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8134 Contra Costa Alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton. Comment
  UC630978  Trifolium depauperatum var. amplectens P. B. Kennedy 1925-4-26 Contra Costa above old rd (Mt. Diablo Meadow) Comment
  UC630932  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10035 a Contra Costa Byron Comment
  UCD33428  Trifolium depauperatum var. depauperatum Beecher Crampton 1968-3-27 8236 a Contra Costa SE corner of County, ca. 3.5 miles south of Byron. Comment
  UCSC011140  Trifolium depauperatum var. laciniatum Randy Morgan 1999-5-30 3510 Contra Costa Originally from Byron Springs Rd Comment
  CHSC22680  Trifolium depauperatum var. truncatum Robert A. Schlising 1962-4-7 2147 Contra Costa Along roads near Antioch Reservoir. Comment
  UC2028126  Trifolium depauperatum var. truncatum Barbara Ertter with Richard K. Brummitt 1998-5-6 16081 a Contra Costa Base of Mitchell Rock Trail on north base of Mount Diablo. Comment
  UC2028154  Trifolium depauperatum var. truncatum Barbara Ertter 1998-4-4 15957 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  CDA29487  Trifolium dubium D. G. Kelch, Troy MacGregor 2009-5-1 9 .282 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UC1618358  Trifolium dubium Barbara Ertter, Chris Thayer 1993-5-7 11713 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District land Comment
  CDA4276  Trifolium fragiferum D. G. Kelch, A. G. Murdock 2005-6-24 5 .389 Contra Costa Carquinez Strait Region; Franklin Canyon at McEwen Road. Comment
  UC400160  Trifolium fucatum Ynes Mexia 1929-4-21 2371 Contra Costa Moraga Valley Comment
  UC692316  Trifolium fucatum Mary L. Bowerman 1932-3-23 1124 Contra Costa betw Monument and Concord (Oak Grove School junction); Mount Diablo Comment
  UCD109005  Trifolium fucatum P. B. Kennedy 1928-4-15 10056 Contra Costa Pinehurst. Comment
  RSA195421  Trifolium fucatum var. fucatum C. P. Smith 1922-5-20 3532 Contra Costa Lafayette - trolly line. Comment
  CDA29533  Trifolium glomeratum D. G. Kelch, Troy MacGregor 2009-5-1 9 .287 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UC1618357  Trifolium gracilentum Barbara Ertter, Chris Thayer 1993-5-7 11712 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District Comment
  UC165608  Trifolium gracilentum J. Burtt Davy 1895-1 926 Contra Costa Antioch Comment
  POM300710  Trifolium gracilentum Unspecified 1933-5-9 2041 Contra Costa East of Pioneer Camp. Comment
  JEPS99601  Trifolium hirtum Mary Bowerman 1995-5-21 Contra Costa Mount Diablo, Wall Pt. fire road perhaps 1/2 mile from South Gate Rd., near Tom Brumleve's home; also other places along North Gate Rd. Comment
  UC1197238  Trifolium macraei J. P. Tracy 1900-3-24 623 Contra Costa 50 ft Point Richmond Comment
  JEPS65989  Trifolium microdon W. L. Jepson May 23 1891-May 24 1891 13661 Contra Costa Mt. Diablo Comment
  UC2028993  Trifolium microdon Barbara Ertter 2000-5-14 16997 Contra Costa lower Donner Canyon on north side of Mount Diablo on Hetherington Trail. Comment
  UC692636  Trifolium obtusiflorum Mary L. Bowerman 1938-6-30 3799 Contra Costa Blue Oak Flat Mount Diablo 822 Comment
  UC692641  Trifolium obtusiflorum Mary L. Bowerman 1935-5-25 3077 Contra Costa Rhine Canyon Mount Diablo (side of gully containing streamlet) 914 Comment
  UC2029064  Trifolium obtusiflorum Barbara Ertter 2000-7-29 17445 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail at east fork of Donner Creek (between main fork and Wild Oat Canyon), trickle of surface water Comment
  CDA28015  Trifolium oliganthum D. G. Kelch, A. G. Murdock 2005-4-15 5 .15 Contra Costa Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  RSA0033854  Trifolium oliganthum Barbara Ertter 2003-3-28 18135 Contra Costa Round Valley Regional Preserve, mid Hardy Canyon along High Creek. 182 Comment
  UC866918  Trifolium oliganthum Lewis S. Rose 1940-4-30 40252 Contra Costa 6 mi e Clayton (Marsh Creek) 60 Comment
  UC2027837  Trifolium oliganthum Barbara Ertter with Dan Norris 2001-4-15 17609 Contra Costa West side Mount Diablo, head of W-facing drainage west of China Wall rock formation (off trail between Hanging Valley Trail and China Wall Road). Comment
  UC2028086  Trifolium oliganthum Barbara Ertter, Tony Morosco 1998-4-12 15983 Contra Costa Base of Mount Olympia on north side of Mount Diablo, south side of lower end of Olympia Trail. Comment
  UC2028950  Trifolium repens Barbara Ertter 2000-7-16 17389 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  CDA29549  Trifolium subterraneum D. G. Kelch, Troy MacGregor 2009-5-1 9 .283 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UCD109444  Trifolium variegatum var. major Collector unknown Date unknown s.n. Contra Costa 5 mi. north of Walnut Creek on road to Contra Costa Golf Club. Comment
  UC2028286  Trifolium variegatum var. variegatum Barbara Ertter 1998-6-20 16237 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance. Comment
  CDA29759  Trifolium willdenovii D. G. Kelch, Troy MacGregor 2009-5-1 9 .264 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  JEPS75464  Trifolium willdenovii P. F. Yorks 1975-4-27 383 Contra Costa ca 1.9 km s Bear Creek Rd (on Hampton Rd, n of Briones Reservior); Hampton Rd Natural Reserve 200 Comment
  SEINET7096740  Trifolium willdenovii A. G. Vestal 1955-4-1 3586 Contra Costa Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees) Comment
  UC1197525  Trifolium willdenovii J. P. Tracy 1900-3-24 604 Contra Costa near Stege 9 Comment
  UC1197527  Trifolium willdenovii J. P. Tracy 1900-3-24 620 Contra Costa Point Richmond 15 Comment
  UC1543244  Trifolium willdenovii Donald G. Nelson 1937-3-30 474 Contra Costa s Byron (on rd to Tracy along rr tracks paralleling hwy) Comment
  UC1948963  Trifolium willdenovii William J. Ferlatte, L. Maynard Moe 1970-4-27 1261 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC579846  Trifolium willdenovii Annetta Carter 1936-4-19 1109 Contra Costa e side of island Red Rock Comment
  POM18879  Trifolium willdenovii H. P. Chandler 1901-3-22 841 Contra Costa Concord. Comment
  CAS-BOT-BC451764  Triglochin maritima Walter Knight; Joanne Dean No date on label 3131 Contra Costa Browns Island. Comment
  JEPS112458  Triglochin striata D. G. Kelch 2003-8-13 03 .116 Contra Costa Martinez Marsh 0 Comment
  UC692010  Trillium chloropetalum Mary L. Bowerman 1931-5-21 2147 Contra Costa below <&> s. from Curry Canyon Grape Spring; Mt. Diablo Comment
  UCD139902  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  POM300987  Triodanis biflora Mary L. Bowerman 1933-5-18 2130 Contra Costa Mount Diablo. Comment
  SEINET10458812  Triodanis biflora Joseph W. Congdon 1896-5-30 Congdon s.n. Contra Costa Mount Diablo Comment
  UC650592  Triphysaria eriantha subsp. eriantha Ira L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi s Byron Comment
  CDA29048  Triphysaria pusilla D. G. Kelch 2006-5-7 6 .157 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS126600  Triphysaria pusilla Lowell Ahart, Josephine Guardino 2016-4-19 20780 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quadrangle. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Comment
  UC1861821  Triphysaria pusilla Barbara Ertter, Lisa Schultheis 1995-4-27 14002 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; at end of Arbolado Dr. 121 Comment
  CDA33658  Triphysaria versicolor subsp. faucibarbata Duarte/ Gomes 2011-4-18 PDR# 1625731 Contra Costa Knightsen 0 Comment
  CDA41895  Triphysaria versicolor subsp. faucibarbata D. G. Kelch 2005-5-5 5 .206 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  UCD36927  Trisetum canescens Beecher Crampton 1956-5-14 3423 Contra Costa 2 miles west of Martinez, on road to Crockett. Comment
  UCD93500  Trisetum canescens Beecher Crampton 1956-5-14 3423 Contra Costa 2 miles west of Martinez, on road to Crockett. Comment
  UC2070608  Trisetum canescens Barbara Ertter with Debra Trock 2005-6-25 18609 Contra Costa North end Redwood Regional Park, Stream Trail along Redwood Creek. Comment
  JEPS120268  Triteleia laxa Barbara Ertter with David Gowen 2012-6-9 21020 Contra Costa Seaview Trail on morth side of Vollmer Peak, southeastern Tilden Park in Berkeley Hills Comment
  JEPS25139  Triteleia laxa G. Thomas Robbins 1959-5-16 4009 Contra Costa just n Pt. Orient (on w slope of Potrero Hills, Richmond, overlooking San Francisco Bay); Richmond, Potrero Hills Comment
  JEPS58045  Triteleia laxa Helen Bergfried 1918-5-12 Contra Costa vicinity Berkeley; , Wildcat Creek Comment
  JEPS58064  Triteleia laxa W. L. Jepson 1919-6-8 8332 Contra Costa Mt. Diablo Comment
  JEPS58065  Triteleia laxa W. L. Jepson 1918-6-3 7569 Contra Costa Donner Canyon Mt. Diablo 304 Comment
  CAS-BOT-BC526329  Triteleia laxa D. E. Breedlove 1930-6-3 234 Contra Costa North Road, Mount Diablo 167 Comment
  SEINET3127299  Triteleia laxa H. A. Walker 1906-1 148 Contra Costa Vicinity of Berkeley Comment
  JEPS100033  Triticum aestivum S. O'Neil 2003-5-8 SEO 32 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC67348  Tropidocarpum capparideum Robert F. Hoover 1937-4-3 1733 Contra Costa Tracy. Comment
  UC673305  Tropidocarpum gracile H. L. Mason 1929-3-31 5152 Contra Costa sand dike along river at Antioch; San Joaquin River Comment
  UC2070653  Typha Barbara Ertter 1998-11-15 16460 Contra Costa North side Mount Olympia on north side Mount Diablo. Comment
  UC1241758  Typha domingensis Malcolm A. Nobs 1950-8-20 Contra Costa Nortonville Comment
  UC2070596  Ulmus minor Barbara Ertter with Chris Thayer 2002-4-13 17826 Contra Costa North side of Mount Diablo, on north face of Mount Olympia. Comment
  CDA37275  Umbellularia californica D. G. Kelch 2009-12-21 9 .712 Contra Costa Vicinity of Richmond; canyon northeast of Alvarado Park. 0 Comment
  POM247255  Umbellularia californica Annetta Carter 1937-3-20 1224 Contra Costa Lake Orinda Road, two miles northeast of Orinda. 122 Comment
  UCSB11593  Umbellularia californica Grah, Nancy 1962-4-20 Contra Costa 2.0 miles east from San Pablo Dam Road; on Wildcat Canyon Road; 4 miles east of Berkeley 274 Comment
  UC1795024  Uropappus lindleyi R. K. Brummitt and B. Ertter 1998-5-13 19837 Contra Costa Mt Diablo, just below summit on S side 1000 Comment
  UC691466  Uropappus lindleyi Mary L. Bowerman 1932-4-27 1396 Contra Costa canyon w Riggs Canyon (s face Oyster Ridge, Mount Diablo); Mount Diablo, s face Oyster Ridge 335 Comment
  UC691783  Uropappus lindleyi Mary L. Bowerman 1957-5-2 1957 Contra Costa Pioneer Camp Mount Diablo 762 Comment
  UC691797  Uropappus lindleyi Mary L. Bowerman 1931-4-4 632 Contra Costa two mi by road from North Gate Mount Diablo (Mount Diablo); Mount Diablo Comment
  UC2028065  Uropappus lindleyi Barbara Ertter with Tony Morosco 1998-4-12 16009 Contra Costa Mount Olympia on north side of Mount Diablo, below false summit on East Trail. Comment
  CAS-BOT-BC403927  Urtica dioica subsp. gracilis Joseph Andorfer Ewan 1934-1-14 8160 Contra Costa Wildcat Canyon, one mile below ranch house Comment
  JEPS111918  Urtica dioica var. holosericea Dean G. Kelch and Andrew G. Murdock 2004-3-12 DGK 04 .018 Contra Costa Pinole Valley. Hillside and canyon above Wright Road. Off the Pinole Valley Road. Comment
  UC635677  Utricularia gibba H. L. Mason 1929-9-21 5441 Contra Costa 1 mi. n. from junction of Borden Hwy. and rd. to Antioch Comment
  UC1192064  Verbena hastata Malcolm A. Nobs and S. Galen Smith 1949-7-8 942 Contra Costa 4 mi n Kingston (Otto's Black Bass Resort); Otto's Black Bass Resort Comment
  JEPS39065  Verbena lasiostachys var. scabrida Robert Brandt 1914-7-16 Contra Costa Wildcat Canon, Berkeley Hills. Comment
  UC691535  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-6-28 393 Contra Costa Lower Silver Spring: Edge of marshy spot. Comment
  RSA128371  Verbena robusta Peter H. Raven 1950-7-5 2489 Contra Costa Mt Diablo. 396 Comment
  CDA9278  Verbena scabra D. G. Kelch 2002-7-15 2 .006 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  UC27730  Veronica peregrina subsp. xalapensis W. H. Brewer 1862-4-30 1026 Contra Costa Walnut Creek, Camp 69 Walnut Creek; , Camp 69 Comment
  JEPS12699  Viburnum ellipticum Mary L. Bowerman 1933-5-21 2162 Contra Costa s from Curry Canyon (Sycamore Canyon, ridge between two main forks w side); Mount Diablo, Sycamore Canyon 365 Comment
  UC1051053  Viburnum japonicum N. Floy Bracelin 1942-10-4 2334 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050363  Viburnum trilobum N. Floy Bracelin 1943-7-25 2187 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCD38561  Vicia americana var. americana Beecher Crampton 1956-5-14 3426 Contra Costa 4 miles west of Martinez on the road to Crockett, above Port Costa Brick Works. Comment
  JEPS46092  Vicia americana var. americana Mrs. E. L. Mossman 1931-3-12 Contra Costa Wildcat Canyon; Berkeley Hills Comment
  CDA4416  Vicia benghalensis D. G. Kelch, A. G. Murdock 2005-3-24 5 .06 Contra Costa Carquinez Strait Region; Southern Point Pinole. Comment
  JEPS77007  Vicia gigantea Robert M. Lloyd 1963-3-17 2135 Contra Costa 0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline Drive (across from 7090 Skyline), Huckleberry trail); Huckleberry trail Comment